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phase diagram - Introduction: Chemical equilibrium is a crucial topic in Chemistry. To represent and model equilibrium, the thermodynamic concept of Free energy is usually used. For a multi-component system the Gibbs free energy is a function of Pressure, Temperature and quantity (mass, moles) of each component. If one of these parameters is changed, a state change to a more energetically favorable state will occur. This state has the lowest free energy. When the free energy of all states are equal to each other, the system is at equilibrium....   [tags: Chemistry]
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2006 words
(5.7 pages)
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Comparative Stem and Leaf Diagram of Error Lines - Comparative Stem and Leaf Diagram of Error Lines Key: 0 4=0.4 cm Year 7: 0.4, 0.4, 0.6, 0.6, 0.6, 0.6, 0.9, 1.4 Year 11: 0.4, 0.6, 0.6, 0.6, 0.6, 0.9, 0.9, 1.6 Year7 Mode: 0.6 cm Median: 0.6 cm Lower quartile: 0.5 cm Upper quartile: 0.75 cm Interquartile range: 0.75-0.5=0.25 cm Semi-interquartile range: 0.25÷2=0.125 cm Year 11 Mode: 0.6 cm Median: 0.6 cm Lower quartile: 0.6 cm Upper quartile: 0.9 cm Interquartile range: 0.9-0.6=0.3 cm Semi-interquartile range: 0.3÷2=0.15 cm Aware to on track with my second hypothesis and to avoid endless d...   [tags: Papers] 792 words
(2.3 pages)
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Hertzsprung-russell Diagram - The Hertzsprung-Russell Diagram or, the H-R Diagram for short, is a graph which plots stars according to their temperature and absolute magnitude. This graph reveals a pattern, which in fact is quite interesting. The H-R Diagram is named for the two astronomers, Ejnar Hertzsprung and Henry Russell, who discovered this pattern of stars. These two astronomers independently discovered that comparing magnitudes and spectral class (color) of stars yielded a lot of information about them. One key purpose of the H-R diagram is to show the relationship between temperature and absolute magnitude of stars....   [tags: essays research papers] 510 words
(1.5 pages)
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Perspectives of Learning and Teaching in Piaget's and Vygotsky's Theories - The Venn diagram is comparing the similarities and differences of two theories Piaget’s and Vygotsky Theories on Cognitive development. Piaget’s difference to Vygotsky is children collaborating with peers of the classroom, having stages of development that impact child development over birth to adulthood and how inherited characteristics of being a confident or quiet child. Vygotsky Theory is about Zone of Proximal development, scaffolding of adults helping children in understanding and gaining knowledge and sociocultural development (Duchesne, McMaugh, Bochner & Krause (2013)....   [tags: venn diagram, teaching and learning]
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1513 words
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Top-Down Approach to Drawing Data Flow Diagrams - The top-down approach to drawing data flow diagrams essentially involves moving “from the general to the specific” in terms of the detail level displayed (Kendall & Kendall, 2008, p. 220). Using information gathered from interviews, investigation, and personal observation, the systems analyst begins by developing a list of business activities. They then use the list to define the four elements of a data flow diagram, as follows: § External entities – send/receive data to/from the system § Data flows – the movement of data § Processes – the change or transformation of data § Data stores – a virtual storehouse where data can be added, examined, or retrieved (Kendall & Kendall, 2008) The ana...   [tags: Systems Analysis]
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875 words
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State Diagrams - State Diagrams Upon review of the HR and Finance application it is the purpose of this discussion to identify some of the objects associated with the applications and clarify the states in which those objects can go through as the system is interacted with. Whether or not there are any guards set in place before states can move forward or terminate are also clarified in this discussion. The objects that will be examined are: systemLogin, newOrder, addNewCustomer, editCustomer, addEmployee, and systemExit....   [tags: Technology Technical] 1445 words
(4.1 pages)
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Unified Modeling Language Designs in Software Systems - As systems have become increasingly more complex, the need for communicating software systems has become a challenge. In response to that need, the Unified Modeling Language “UML” was developed and serves as a graphical language to describe those complex systems. UML is presently an industry standard representing a software system’s structure, interactions and behaviors in terms of graphical diagrams. UML has many types of diagrams each representing a different view of the system. In object-oriented programming, classes are used to separate and encapsulate business objects and behaviors....   [tags: computer programming]
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1396 words
(4 pages)
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Unified Modeling Language Presentation - ... • Some of which are: o Activity Diagram o Uses Cases Diagram o Sequence Diagrams o And Class Diagram In actuality there is more to UML than diagrams, but for my purposes of this presentation I will be focusing only on the Class Diagram. Class diagram (slide 2) A Class o Can be considered prototypes when creating objects. o Is used to define the static structure of a project o Most diagrams will contain multiple classes o Interaction between classes dictates the definition of a system o Represents the projects blue print The class diagram shows how the different entities (people, things, and data) relate to each other; in other words, it shows the static structures of the system....   [tags: Power Point Presentation] 670 words
(1.9 pages)
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Test Case Generation from UML - Table 1: Evaluation table of the proposed approaches Authors / Year Behavior Models Used Tools to Support Problem Discussed Strengths Limitations Sarma et al. /2007 Sequence and Class Diagram Magic Draw V 10.0, IBM Rational Rose Automatic test case generation from UML models focusing on structural and behavioral design in test case generation process. Furthermore coping up interaction faults and scenario faults. • The strength of this method is that it can handle a large design efficiently. • Better integration with in test case generation activities • The technique is not sufficiently automated • Lacks in dealing testing of quality requirements....   [tags: Information Technology]
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1926 words
(5.5 pages)
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UML and its fit in the business community - UML in the Business Community In the modern world, business analysts use UML as a communication tool to relay business needs to the IT professionals. What is the Unified Modeling Language (UML). Here is a definition of UML according to the Object Management Group (OMG) specification. “The Unified Modeling Language is a graphical language for visualizing, specifying, constructing, and documenting the artifacts of a software-intensive system. The UML offers a standard way to write systems blueprints, including conceptual things such as programming language statements, database schemas, and reusable software components.” First I will start out with a brief discussion on the history of UML....   [tags: essays research papers] 681 words
(1.9 pages)
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Kaoru Ishikawa's Influence in Quality Management - Kaoru Ishikawa was a very influential man in quality management. Ishikawa began his career as a professor at a Japanese University. He lived from 1915 until his death in 1989. Although Ishikawa made many contributions to quality management, he is best known for his cause and effect diagram, known as the “fishbone diagram”. ("Kaoru Ishikawa: the," 2009) The significance of the fishbone diagram is that it is a simple graphical method for presenting a chain of causes and effects and for sorting out causes and organizing relationships between variables....   [tags: Business Management ]
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545 words
(1.6 pages)
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Improving Procurement Lead Times at Hill Air Force Base - Improving Procurement Lead Times at Hill Air Force Base In today’s tough economic times organizations need to seriously look at ways to improve their service level, even in the government. With decreasing military budgets and workforce reductions all government agencies need to streamline activities as much as possible to ensure that the taxpayers’ dollars are being spent wisely and the warfighter is being supported. The National Health Service (NHS) of East Midlands, England has established an excellent website, which benchmarks their twelve steps to process improvement on their Improvement Network (NHS - East Midlands, 2012)....   [tags: Business]
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2142 words
(6.1 pages)
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High Level Visual Test Specification Tool - Domain-Specific Visual language (DSVL) meta-tool has managed to help and assist end-user to create DSVL. With a pre-built function and numerous graphical representations to choose from, it has reduced end-user dependency for application development team. Despite that, it still lacks in term of verification and validation process, as testing is still done manually inside these meta-tools. We propose a high level visual test specification model that is embedded inside DSVL meta-tool. This will allow end-user to self validate their DSVL using model provided....   [tags: Technology]
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1976 words
(5.6 pages)
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Overvie of CORE Methodology - Overview of CORE Methodology Controlled Requirement Expression (CORE) was developed for the British Aerospace programs while the UK Ministry of Defence was carrying out a requirement analysis (Hull et al., 2010). The fundamental component of the CORE methodology is viewpoints as different users see systems in different ways. There are many different stakeholders involved in a system; using CORE methodology involves finding all the different viewpoints of those stakeholders that have an interest in the system whether it’s a person, role or organisation ext.… (Sommerville and Sawyer, 2000)....   [tags: viewpoints, hierarchy, architecture, system]
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1574 words
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A Noval Approach For Interfacing Switches on Gloves With Pic Micro Controller Implementation - Now a days there is a trend in using wireless keyboard and mouse. The wireless user interface technology is vast changing and many day to day objects are being transformed into user interface so that it can be easy for us. In this paper we propose a system which uses gloves for interacting with the personal computer. In addition to keyboard, mouse interface is also included in the Glove. To verify the proposal prototype is created. This proposes that when a person presses the switches on fingertip mouse movement also inputting character can be done....   [tags: Gloves, Tactile Switches, Pic Micro Controllers]
:: 23 Works Cited
1086 words
(3.1 pages)
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A Solution to the Foreclosure Crisis - If Americans would like to stop foreclosure on their homes, we need to address the root or the heart of the problem, not just a branch or limb. Solving foreclosure would be like putting a band-aid on a wound which needs surgery. The real problem resides in human behavior and governmental policy concerning the environment which we inhabit. So, with this information, I will address how to come about a real solution in terms of preventing foreclosure (and better than that, solving what causes foreclosure) (which is interrelated with environmental health)....   [tags: Economics, Mortgage, Housing Crisis] 2416 words
(6.9 pages)
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Investigating the Relationship of the Dots Inside a Shape of Different Sizes - Investigating the Relationship of the Dots Inside a Shape of Different Sizes AIM: I have been set a task for my coursework to find out the relationship of the dots inside a shape of different sizes. PLAN:I have planned to use a specific quadrilateral shape for my investigation in which lines will be 45o (diagonal), one dot to the other; touching each others ends and being closed from all sides. I will be using the following technique for my investigation. First of all I will commence with the shape-size being 1 cm2 increasing it every step by another 1 cm2....   [tags: Papers] 1001 words
(2.9 pages)
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Object And Process Modeling, And Stragies For System Analysis And Problem Solving - System Analysis and System Requirements Object Modeling, Process Modeling, and Strategies for System Analysis and Problem Solving April 6, 2005 Object Modeling A class can be described as a collection of objects of similar type. These objects often share the same attributes, operations, methods, relationships, and semantics. Additionally, once a class is defined any number of objects can be created and associated to that class. For example, beagles and boxers represent different breeds (i.e. instances) of "dogs" which also can be viewed as a distinct class....   [tags: System Analysis Design] 1094 words
(3.1 pages)
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How Monetary Policy Worked in Japan: Was it as Effective in Practice as in Theory? - Presently, most countries adopt financial policies in order to improve their economic and social conditions. However, those policies differ as there is not a policy that could be applied for every country. Monetary policy is one of the most widely used ones. The policy is usually implemented by the central bank. It uses an interest rate transmission mechanism in order to achieve its aims. According to Lipsey (2007), one of the main aims of the central bank is to control inflation. Although in theory the monetary policy is likely to succeed, in real life it is not always the case as it was with Japan in 1990s....   [tags: Economics ]
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1320 words
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Principles of Heat Treating of Steels - Principles of Heat Treating of Steels Principles of Heat Treating of Steels A steel is usually defined as an alloy of iron and carbon with the content between a few hundreds of a percent up to about 2 wt%. Other alloying elements can amount in total to about 5 wt% in low-alloy steels and higher in more highly alloyed steels such as tool steels and stainless steels. Steels can exhibit a wide variety of properties depending on composition as well as the phases and microconstituents present, which in turn depend on the heat treatment....   [tags: essays papers] 1551 words
(4.4 pages)
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A Justification of the Use of Macroeconomic Policies - A justification of the use of macroeconomic policies After the inception of the global financial crisis, the level of output in the Australian economy declined. This led to the level of aggregate supply exceeding the level of aggregate demand as consumers’ and investors’ confidence was shaken. This is evident in the Keynesian diagram below: Figure 1.8- Keynesian deflationary gap As it is evident in the graphical representation above, the equilibrium level of national income is Ye, determined by the intersection of the aggregate demand (AD) and aggregate supply (AS) curves....   [tags: Economics ]
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377 words
(1.1 pages)
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Convolutional Coding - Each parity bit is taken from the corresponding D FF then ran through an XOR gate that does the mod 2 addition to output the parity bit. This circuit creates a physical generator polynomial that the message is fed through, creating the encoded message. Another method of encoding is done through a state table diagram. This is a diagram that tracks which parity bit is output depending on which state it’s in and which state it is transitioning to, which depends on the input bit received. To make our state diagram we first need to understand the parity bit equations above....   [tags: parity bit, information technology]
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1130 words
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Test Case Generation from Requirements - Table 1: Identified Strengths and Limitations Author Behavior Models Problem Discussed Strength of work Limitations Vaysburg et al. /2002 EFSM Requirement based selective test case generation. • Cost of the approach is very less because system tests are often short. Therefore, test equivalency can be determined with low cost. • Efficient integration with testing • Support quality requirements of reliability. • Better technique for selective test case generation • The study needs further justification as it not implemented on large systems • There is need to investigate the degree of reduction in fault detection capability of reduced test suites when the presented approach of test...   [tags: Information Technology]
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1965 words
(5.6 pages)
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Investigating a Neutralisation Reaction Between Hydrochloric Acid and Sodium Hydroxide - Investigating a Neutralisation Reaction Between Hydrochloric Acid and Sodium Hydroxide To investigate a neutralisation reaction I must know all the factors that affect it in order to investigate in this. Here are all the factors; Temperature - This will defiantly affect an exothermic or endothermic reaction. Concentration - If the solution is made more concentrated it means it contains more particles of reactant, therefore more collisions are likely and an result of this is that the temperature will decrease because bonds are being made....   [tags: Papers] 2058 words
(5.9 pages)
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An Analysis of the Los Angeles County Hospital Emergency Room - An Analysis of the Los Angeles County Hospital Emergency Room Learning Team Operations Management Plan The problem of emergency department overcrowding has become an important issue for many emergency departments throughout the city and county of Los Angeles. Patients frequently have to wait hours just to get into the emergency department to be seen by a physician or other healthcare professionals. The problem does not seem to be getting better as times goes on, but indeed studies seem to indicate that the condition is growing worse....   [tags: Business and Management Studies] 3631 words
(10.4 pages)
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Explain what is meant by the full employment level of National Income - Explain what is meant by the full employment level of National Income and Equilibrium level of National Income. Why might these levels of income be different. National Income is the level of total output, expenditure or income of an economy over a period of time. The main measure of NY used around the world today is Gross Domestic Product, or GDP. This is a measure of all domestic production, that is, production not including trade, which takes into account the value of indirect taxes such as GST....   [tags: Economics] 664 words
(1.9 pages)
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Investigating the Efficiency of Different Pulley Setups - Investigating the Efficiency of Different Pulley Setups Aim In this experiment I will be investigating the efficiency of five different pulley setups. These are shown below. Background on pulleys A pulley one of the simplest mechanical powers or machines consisting of a grooved wheel/roller(s) for a cord or string to pass over a mounted block this is used for lifting a mass or changing direction of power. A pulley is a force multiplier, when x number of pulley(s) are setup with x number of wheel/roller(s), you pull on the rope or string providing tension, from this an upward force is created to lift a load because the lower pulley block is supported by two pa...   [tags: Papers] 2647 words
(7.6 pages)
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Literature: Operation Strategy - Operations strategy Before proceeding to the definition of operation strategy, the concept of operations management is to be described first. Operations Management: is the management of all processes and activities undertaken in a business in order to produce the deliverable good or services. It has a high role in the business’s environment as it manages the transformation organisation’s inputs in to transformed products or services according to James (2011, pp. 8). These processes are existent in all departments of the business such as (HRM, Marketing, manufacturing, finance, etc.) Diagram 1....   [tags: Supply Chain Resistance, Assistance of Boeing]
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1299 words
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Economics and Growth - Equilibrium price A reciprocal of forces of supply besides demand determines market price. Hence, equilibrium price is the price at which the quantity demanded equals the quantity supplied in the market. This implies that, at this price there is a state of balance (Gillespie 2007, p.13-110). The diagrams below illustrate changes in equilibrium price: Market Demand and equilibrium price (Market Demand and equilibrium price cited in Gillespie 2007, p.72-99) A demand curve is likely to change upwards as a result of changes in a number of factors....   [tags: Economy]
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945 words
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The New York Crystal Palace - missing works cited The New York Crystal Palace: The Great Exhibition of Art and Industry "The Crystal Palace is a partial picture of the age; an exposition of the comforts and luxuries, the manners and attainments which belong to our civilization." -B. Silliman & C. R. Goodrich (The World of Science, Art and Industry at the Crystal Palace, New York, 1854) On July 14, 1853, the Great Exhibition of Art and Industry began in New York City, New York, with the commemoration of the Crystal Palace, the central exhibition hall....   [tags: Architecture History] 1488 words
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Left Ventricular Systolic Dysfunction - Left Ventricular Systolic Dysfunction (LVSD, but commonly referred to as heart failure) is a chronic, progressive cardiac syndrome in which a damaged heart fails to beat efficiently and deliver enough blood to meet the body's needs. Although coronary heart disease (CHD) is the most common cause, for example, myocardial infarction, and many of the conditions are intertwined, there are several other causes of heart failure including cardiomyopathies, hypertension and valve disease. Cardiomyopathies can be caused by genetic disorders/defects, viral illness, some endocrine conditions, autoimmune diseases, and excessive use of alcohol and drugs....   [tags: Health]
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1765 words
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Use of the Unified Modeling Language (UML) for Design - Unified Modeling Language (UML) is a graphical language used many types of systems models which shows different views of a system being design. The UML is used to describe the conceptual view and process view of an automated ticket-issuing system to be used by passengers on a railway station and for a computer-controlled video-conferencing system used with video, audio, and computer data to participants. Diagrams will show the conceptual and process view of these two systems and have justification for each of the decisions in the design....   [tags: Unified Modeling Language]
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1221 words
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Active Directory Proposal - Riordan Manufacturing Active Directory Proposal Introduction The following is a proposal for the implementation of Active Directory within the Riordan Manufacturing organization. The primary reference for this proposal is the Microsoft guide "Best Practice Active Directory Design for Managing Windows Networks." The contents below will provide a working definition of Microsoft Active Directory, the benefits it will provide to Riordan, a base diagram of Active Directory for Riordan, and a detail analysis of the Active Directory diagram....   [tags: Networks Telecommunications] 761 words
(2.2 pages)
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Tourism in The Isle of Purbeck - Tourism in The Isle of Purbeck HYPOTHESIS: =========== Tourism does more harm than good in The Isle of Purbeck Of Purbeck. Tourism should not be promoted or encouraged. WHERE IS IT. ============ Swanage is in the Isle of Purbeck, Dorset. The Isle of Purbeck is known to many different kinds of facilities to suit everyone's needs, one of the most populist features that The Isle of Purbeck has to offer is the award winning beaches. Because of the various types of attractions The Isle of Purbeck has to offer, it is known as a 'honeypot site'....   [tags: Papers] 1610 words
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Exploring the Effects of Gibberellic Acid on the Germination of Cereal Grains. - Introduction: Gibberellin is a plant hormone that is involved in the production of amylase which is vital for the conversion of starch into maltose into glucose molecules required for the embryo to grow. It does this by “regulating the genes that are involved in the synthesis of amylase. In barley seeds, it has been shown that the application of gibberellin causes an increase in the transcription of mRNA coding for amylase”. 1(Jones, p.120) Below is Diagram 1 showing the longitudinal section through a barley seed, outlining the process undertaken for the conversion of starch into maltose, by the action of seed embryo synthesis initiating germination, and the production of gibberellin....   [tags: Biology, Chemistry, science]
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1867 words
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An Investigation of Art in the Age of Mechanical Duplication - Introduction Accounting for the fact that an essay is contrived with purpose and intent of reading a written article on paper, a poster on the other hand is contrived with the purpose and intent to be placed on the wall for clear and easy visualization. Consequently posters are not to include large amount of text in order to get their points across to viewers. They need to be well succinct and well organised to get their message across to viewers on the spot. Accordingly, images are message that is intended, expressed or signified and people will view and use them in many ways....   [tags: Art] 1001 words
(2.9 pages)
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Research on what Cables are Mostly used in the US - In this task, I was required to search on what cables that are mostly used in my country, like Fiber Optic, Copper Cable, Cat-6 and more. And for this task 1, I choose the Cat–6 cables for my assignment. This Cat6 cables is commonly referred as category 6, which it standardized the cable for Gigabyte Ethernet and for others Physical Layers that is backwards compatibilities with the category. STAFFING OIL & GAS DEPARTMENT PETROCHEMICALS DEPARTMENT ENGINEERING DEPARTMENT RECEPTION 4TH FLOOR 3RD FLOOR 2ND FLOOR 1ST FLOOR GROUND FLOOR In this task, there are 4 departments for a new 5-storey company building that would need to install the computer and telephone networ...   [tags: fiber optic, copper cable, cat-6] 1712 words
(4.9 pages)
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Why is Water Essential for Life on Earth? - There is no life on earth without water. Life almost certainly originated in water. From conception to birth, a child is natured in a sac of water (amniotic) fluid) which protects and cushions the foetus against physical harm. The birth of a child is heralded by the “breaking of waters” after a child is fed on breast-milk which is 90% water (Nagin, 2008). Definition of water Water in its pure form is a clear, colourless, odourless and tasteless liquid. It can exist in three states of matter, namely solid (ice), liquid and gas (vapour)....   [tags: water, life on earth, science, ] 1260 words
(3.6 pages)
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Description of Three Types of MEMS Devices - 1. Three MEMS devices described below are: I. Eco Scan MEMS resonant mirror: MEMS resonant mirror devices have the potential to miniaturize optical systems, such as sensors, displays and printing devices. They integrate the driving actuator into the mirror structure, a small, low power consumption and inexpensive device. The Eco scan MEMS resonant mirror uses the electromagnetic drive method. On a single crystal silicon substrate, a mirror, torsion bars and coils are formed and permanent magnets are placed on the periphery of those parts....   [tags: eco scan mems, sensors, gyro sensor]
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1271 words
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The Correlation of Health Plan Surveys - The Correlation of Health Plan Surveys and Quality Standards The standards of care makes a real difference to the quality of our lives, whether we are the patients or the relatives of those who are. Because of budget constraints, nurses are now forced to be a jack-of-all-trades and management is placing resources wherever the need is greatest. Qualitative measures must be scrutinized in order to produce satisfactory results when considering the best care possible for our nation. Sentara CarePlex Hospital After reviewing Sentara CarePlex Hospital in Hampton, Virginia, I noticed that an area that greatly needs improvement is the response of medical personnel to patients need for help....   [tags: Healthcare]
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Economics and Growth - The demand curve is likely to change upwards or rise as a result of changes in a number of factors. One, if there is a move up in the price of an alternative commodity, or decrease in price of the given commodity’s accompaniment. Two, if there is a rise in buyers’ income. Three, if the taste as well as preferencs of the consumers shifts in regard to the particular product or service under consideration. Four, when there is a decrease in the cost of borrowing. And finally, if there is an overall increase in the buyers’ trust accompanied with optimism for the particular product or service....   [tags: Economics]
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Remote Access Attacks - Introduction Remote access can be clearly defined as one’s ability to gain computer or network access from a remote location. Today many business people who travel often need to have remote access to their corporation's network. There is however vulnerabilities that all types of remote access have common, and it doesn’t matter what method used, the endpoint machine is vulnerable like all other systems that have access to the Internet. Whenever a system is accessible via the internet, that system is exposed to danger....   [tags: Computer, Network Access, Remote Location]
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Using Calculus to Model Epidemics - With the recent scare of a so-called Severe acute respiratory syndrome-like (SARS) virus called Middle East Respiratory Syndrome coronavirus (MERS – CoV) that so far has unknown origins and has a astounding mortality rate of 47.6% , I began to wonder about the complexities of disease outbreaks and the mathematics behind epidemics. That’s when research led me to realize that it was possible to model epidemics using calculus. As a pathofobiac, I’ve always been intrigued, and scared, of, diseases - constantly reading statistics regarding different diseases, examining how they spread an calculating the chances of any of them ever infecting me or any of my loved ones....   [tags: SARS, MERS, pathology, epidemiology]
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Resistance in a Wire - Resistance in a Wire I have been asked to investigate what factors could affect the amount of resistance in a wire. For this investigation, I believe that altering the length of the wire throughout the experiment will be the best method. Investigation into how the Length of Wire in a Circuit affects the Resistance Planning Section ---------------- Science Theory ============== The information in the Science Theory section and the Prediction was taken from Nuffield Co-ordinated sciences and The Usbourne Illustrated Dictionary of Science....   [tags: Papers] 1117 words
(3.2 pages)
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Analysis of Database Management and Information Retrieval Systems - QUESTION 1 Differentiate between database management system and information retrieval system by focusing on their functionalities. Database Management Systems or in short form called DBMS is the major component in most of the information systems. DBMS is the basic system been used in the information system. Or in the other name, DBMS is the traditional way. The Information Retrieval System or IRS is the extended function from the DBMS thus we can explain it here that IRS is came from the DBMS. There will be some differences between Database Management System and Information Retrieval System in the functionalities and uses....   [tags: relational dbms, storage, data]
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1078 words
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text comparison - I chose to compare the Martini chapter, which I will refer to as “Martini,” to “Human Anatomy” by Kent Van De Graaff, which I will refer to as “Graaff.” The chapter being compared in both texts is the reproductive system. Graaff decided to separate the male and female reproductive systems into two chapters, which didn’t help or hurt the content. Both texts provided very good information, and both had their good and not so good aspects. The opening pages of both texts look very similar and provide a lot of the same material....   [tags: essays research papers] 897 words
(2.6 pages)
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Process Modeling in System Analysis and Design - Data modeling is used to represent the system visually. It describes how data should be used to meet certain requirements given by the user. (Ref) This helps to ensure that all the requirements of the system have been met. There are numerous types of models used for different reasons, including logical and physical models. Each type of modeling has a specific purpose and is essential to the overall project. Some modeling describes the logic of the system, while others show the flow of information through the system....   [tags: data modeling, logical models]
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913 words
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The Dutch Flower Industry - • Introduction The Netherlands plays an important role in the world cut flower trade. It is a home to some of the world's most efficient and most innovative producers and it gives them access to range of marketing channels and financial information, storage and logistics facilities, which makes cut- flower production and distribution one of the most successful sectors of the Dutch economy (Haak, 1992). The Netherlands is also the largest exporter and distributor of flowers in the world and has dominate the world export markets with 65% market share ( Haak, et al., 1992)....   [tags: Business Analysis] 732 words
(2.1 pages)
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Finding Out the Effect of Hydrochloric Acid on Its Reaction Time with Calcium Carbonate - Finding Out the Effect of Hydrochloric Acid on Its Reaction Time with Calcium Carbonate Aim: To Find out if the concentration of Hydrochloric acid effects its reaction time with calcium carbonate Hypothesis:The reaction I am going to be investigating is [IMAGE]Calcium Carbonate + Hydrochloric Acid Calcium Chloride + Carbon Dioxide + Water [IMAGE]CaCO3(S) + 2HCL(aq) CaCl2(AQ) + CO2(g) + H2O I predict that an increase in the concentration of Hydrochloric acid will result in an increase in the speed of the rate of reaction it has with Calcium Carbonate....   [tags: Papers] 1129 words
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Enthalpy Changes of Combustion of Different Alcohols - Comparing the Enthalpy Changes of Combustion of Different Alcohols Aim Combustion of alcohols is exothermic; energy is given out. Salter's Chemical storylines says, " Different fuels have different enthalpy changes". I will investigate how the carbon chain length of the alcohol affects its enthalpy of combustion. Preliminary Work ---------------- Chemistry for you page 184 says, "breaking bonds requires energy, it is endothermic ". It also says " making new bonds gives out energy it is exothermic"....   [tags: Papers] 1113 words
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Investigatiing Whether the Thickness of Lead Inside a Pencil Affects the Resistance - Investigatiing Whether the Thickness of Lead Inside a Pencil Affects the Resistance Aim The aim of this investigation is to find out whether the thickness of a lead inside a pencil affects the level of resistance when connected to and electrical circuit. Prediction I think that lower resistance will be shown in the results from pencils with thinner lead because the current will ba able to pass through the lead easier. Preliminary Test Our preliminary test was for the purpose of finding out whether doing the investigation in different ways would affect the results....   [tags: Science Experiment, Informative] 325 words
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Comparative Statistics Experiment - Comparative Statistics Experiment I am going to investigate the hypothesis that girls do better than boys at KS3 and that Market Boswonston have better KS3 results than Winny. The random samples that I'm going to take are 60 girls and 60 boys, so to make it fair I'm going to take 20 girls from each school and 20 boys. When comparing Market Boswonson and Winsny's results I will take a sample of 60 pupils from each school, 30 boys and 30 girls. I chose to take these samples because it gave an equal amount of pupil's male/female or Market Boswonston/Winny to avoid any bias results....   [tags: Papers] 830 words
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Investigating the Strength of Electromagnets - Investigating the Strength of Electromagnets Aim: To investigate into the effect that changing the number of turns on the coils has on the strength of an electromagnet. Background Information: If an electric current flows through a coil of wire a magnetic field is formed around the coil, creating an electromagnet. This is a temporary magnet, which can be switched off. There are three ways in which you can increase the strength of an electromagnet: Ÿ Increase the number of turns on the coil....   [tags: Papers] 955 words
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Number Stairs: Totals and Positions - Number Stairs: Totals and Positions When I have worked out the formulas for 5 different size stairs on 3 different grid sizes, I will go on to investigate the relationship between all of the formulas. From this I will be able to discover the ultimate formula that will allow me to work out any stair size on any size grid and in any position. As any other formula I will need to predict and prove it, to check that it is correct. But I also need to investigate if there is anywhere on the grid that my formula will not work....   [tags: Papers] 2658 words
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The Basics of Interior Design - Ever since Ancient Rome, the art and science of interior design has been at work. From then unto the Renaissance up until modern times, almost every room, whether it’s in a house, a corporate building, or a restaurant, has had an interior designer come in and worked on the room, making it functional for the people using it while also still being eye-catching. However the terms interior designer and interior decorator are used interchangeably, which is not the case. While interior decorators only choose furnishings and accessories to make a place look pleasing, interior designers study people’s behaviors and apply technical solutions in order to create a space that’s efficient for its use as...   [tags: Housing, Modern Times]
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Investigation of Film Lengths - Investigation of Film Lengths The title of my investigation is 'The Average Length of a Sample of 52 Randomly Selected Films'. As you can interpret from this title, I am going to investigate into the length of a set of randomly selected feature length films. I have chosen to investigate into this topic because I am a Film Studies student and am required by this subject to produce a feature length film as part of a coursework assignment. This leaves me with the predicament of trying to decide how long my feature film should be....   [tags: Papers] 1304 words
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Networking: Network Security - Network Design Contents Introduction – Why Are Security Protocols Are Needed? 2 What Is TLS? 2 A Diagram Detailing the TLS Handshake 3 What Is SSH? 3 A Diagram Summarising SSH 4 TLS & SSH; A Comparison 4 Similarities 4 Differences 4 Comparative Advantages 5 Network Requirements 5 TLS Requirements 5 SSH Requirements 5 TLS Example 6 SSH Example 6 Conclusion 6 Bibliography 7   Introduction – Why Are Security Protocols Are Needed. In this modern day and age of computing, networks are a huge part of IT....   [tags: lan, wan, vpn]
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Categorization of Biomass Material, Pollution Forming mechanism and Health Impacts in Developing Countries. - Introduction Biomass energy is important renewable source of energy that is derived from either living or organisms that were in existence recently. This energy source is used in dual purposes; to be used directly with the process of combustion to produce heat or through indirect means after its conversion into different forms of biofuels. The focus of our project would be usage of Biomass energy through mainly combustion process in the developing world. In this region biomass is the primary source of domestic energy supplying approximately over 70% of the energy consumed (Ndiema, Mpendazoe and Williams, 1997)....   [tags: Biomass Energy, Renewable Source of Energy]
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Comparing Standard of Living and Quality of Life Between Countries Using GDP - Gross Domestic Product (GDP) is the market value of all final goods and services produced by factors of production within a country in a given period of time. It can be calculated using either the income, output, or expenditure method as illustrated on the circular flow of income diagram below. Standard of Living, in a purely material dimension is the average amount of GDP per person in a country (therefore determining access to goods and services). However the term has a much broader, non-material dimension involving issues of quality of life and are therefore much more difficult to quantify....   [tags: Economics]
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Robust Design, Quality Loss Function, System Design, Parameter Design and Tolerance Design - ... This design stage increases cost because we are limiting the values with in some range which will lead to rejection of products for those which are out of range. Therefore, tolerance design should be required only if the required quality is not achieved during parameter design. Most of the time there is a thinking that product quality will be better with tight tolerances, but it has to be understood that tightening the tolerances will also increases the cost of the product because it requires better materials, components, or machinery to achieve the tighter tolerances....   [tags: product research and analysis]
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Productive Efficiency and In Efficiency of a Production Possibility Frontier - Productive Efficiency and In Efficiency of a Production Possibility Frontier (PPF) Introduction The production possibility frontier is also known as the (PPF) in the economics world. It is simply a graph or diagram that does clearly show the production rate of two goods and/or services that an economy does produce efficiently or inefficiently over a given period of time. It accurately shows the production levels of the maximum to the minimum amounts produced in a uniformly drawn curve. This is usually compared to another curve that shows shifts either above or below the original one....   [tags: Economics] 1425 words
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Comparing the Bodiam Castle to the Bolton Castle - In the following essay I am going to compare the functions and forms of Bodiam and Bolton castles. The two castles were built in the second part of fourteenth century and their builders were granted a license to crenellate from Richard II. As they are both part of a transition in the history of castle building, I will try to illustrate their functions as both defensive systems and comfortable and sophisticated residences. By analysing their plans, I would examine the differences and similarities in the arrangement and the design of the two castles....   [tags: form and fuction]
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Analysis of Database Management and Information Retrieval Systems - 1. DIFFERENCES BETWEEN DATABASE MANAGEMENT SYSTEM AND INFORMATION RETRIEVAL SYSTEM DATABASE MANAGEMENT SYSTEM (DBMS) INFORMATION RETRIEVAL SYSTEM (IRS) DBMS offer advance Data Modelling Facility (DMF) including Data Definition Language and Data Manipulation Language for modelling and manipulating data. IRS do not offer an advance DMF. Usually data modelling in IRS is restricted to classification of objects. Data Definition Language of DBMS is the capability to define the data integrity constraints. In IRS such validation mechanisms are less developed....   [tags: raw data, unstructured data]
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A Comparison of Eukaryotic and Prokaryotic Cells - A Comparison of Eukaryotic and Prokaryotic Cells There are two main types of cells in the world. The simplest cells such as bacteria are known as Prokaryotic cells, and human cells are known as Eukaryotic cells. The main difference between each of these cells is that a eukaryotic cell has a nucleus and a membrane bound section in which the cell holds the main DNA which are building blocks of life. Prokaryotic cells do not have a nucleus. The chromosomes which are found in prokaryotes are usually spread in the cytoplasm....   [tags: Biology, Cells, Science] 1298 words
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FSM Classroom Teachers vs. Multiple Intelligences - The classroom teachers in the FSM have their own method or strategies for delivering a lesson from day to day. Some of their strategies were repeated or mono-strategy. Even the experience educators have his/her ways of teaching. There are lots of arguments on ways to help learners achieve the goal of a lesson. In the textbook, Teaching and Learning through Multiple Intelligence Third Edition, there are effective strategies developed to assist students in their learning. These strategies were called application in the textbook (Campbell, Campbell, & Dickinson, 2004)....   [tags: learning, fsm schools, standardize test]
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How To Be A Good Entrepreneur - Question 1 What are the steps to be a good entrepreneur. Write your suggestion and recommendation based on your observation and experience in Malaysia. 1.0 Introduction An entrepreneur is a person who organizes and manages a business undertaking, assuming the risk for the sake of profit. According to Martin (2010) an entrepreneur sees an opportunity which others do not fully recognize, to meet an unsatisfied demand or to radically improve the performance of an existing business. To have self-belief that this opportunity can be made real through hard work, commitment and the adaptability to learn the lessons of the market along the way....   [tags: Entrepreneurship, Business Planning, Career]
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Investigating the Concentration of Sucrose in Cells of Carrots and Potatoes - Investigating the Concentration of Sucrose in Cells of Carrots and Potatoes Plan Introduction Osmosis is defined as 'the net movement of water molecules from a region of high water concentration to a region of lower water concentration through a partially permeable membrane'. In my experiment the process of osmosis will be due to the concentration of sucrose inside the cell compared to outside. Therefore if there is a higher concentration of sucrose molecules outside the cell then the net movement of water molecules will be out of the cell and similarly if there is a higher concentration of sucrose molecules inside the cell then the net movement of water...   [tags: Papers] 2785 words
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The Effect of Temperature on the Rate of Respiration in Yeast - The Effect of Temperature on the Rate of Respiration in Yeast There are two types of respiration in yeast: Aerobic: [IMAGE] Anaerobic: Glucose [IMAGE] Carbon dioxide + ethanol + energy Respiration is controlled by enzymes, which are proteins which speed up one or more biological reactions. Within any cell many chemical reactions are going on at any one time. Yeast has many different types of enzymes that speed up respiration. Prediction I predict that as temperature increases, the rate will also increase, until a certain optimum temperature, after which, the rate will decrease until the rate is zero as respiration has stopped completely....   [tags: Papers] 1871 words
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the rate of reaction between calcium carbonate and hydrochloric acid - I am going to investigate the rate of reaction between calcium carbonate and hydrochloric acid. I will look at the various factors affecting the reaction and select one variable to change, while the others keep constant in order to carry out a deta... Investigating Rate of Reaction Aim I am going to investigate the rate of reaction between calcium carbonate and hydrochloric acid. I will look at the various factors affecting the reaction and select one variable to change, while the others keep constant in order to carry out a detailed investigation....   [tags: GCSE Chemistry Coursework Investigation] 2893 words
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The Effect of Concentration on the Rate of a Reaction - The Effect of Concentration on the Rate of a Reaction Aim- Our aim is to investigate the effect of concentration in the rate of a reaction. Method- Below is a step-by-step guide to exactly what we did to do the experiment. The first thing we did or we do in any experiment involving acid is put on safety goggles so we do not ruin our eyes. Ø We then went and gathered up the equipment to complete the experiment. The list is below: Ø A Balance (scales) Ø A gas syringe (100 cm cubed) Ø 3m Hydrochloric acid Ø A conical flask....   [tags: Papers] 1969 words
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Investigating Factors That Affect the Rate of Photosynthesis - Investigating Factors That Affect the Rate of Photosynthesis INTRODUCTION All green plants use raw materials from their surrounding atmosphere to make their own food. They do this by a process called Photosynthesis. Green plants contain many tiny structures called Chloroplasts and these contain a chemical called Chlorophyll. This chemical is a very important part of Photosynthesis, as this is where the plant, to produce its own food, absorbs sunlight. Photosynthesis mainly takes place in the Palisade Mesophyll cells, which are situated near the top of the leaf....   [tags: Papers] 1611 words
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Mechanical Properties of a Meter Rule - Mechanical Properties of a Meter Rule AIM: To investigate the mechanical properties of a meter rule via practical experimentation. INTRODUCTION   The mechanical properties of materials are its fitness and ability to resist applied or external forces. By external force is meant any force outside of a given piece of material which tends to deform it in any manner.   Knowledge of these properties is obtained through experimentation either in the employment of the wood in practice or by means of special testing apparatus in the laboratory....   [tags: Papers] 4097 words
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Investigating the Resistance of A Wire - Investigating the Resistance of A Wire We are doing a test to see if certain things can change the resistance of a wire. The variables we will change will be first of all the size of the wire, and then change the amps using a rheostat (a variable resistor). We are going to use four thicknesses of the same wire; ‘constantanÂ’ and connect them to a circuit to measure their resistance. Prediction I predict that the greater the diameter of the wire (SWG), the less resistance there will be....   [tags: Papers] 1307 words
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Multiview Methodolgy - Multiview What is the Multiview Methodology. Multiview is an approach to system analysis and design and is accomplished by breaking view specification into independent tasks. It focuses on organisational goals and aims to further them by integrating the system in accordance to the people that work within the establishment. Reference: Ref: http://citeseer.ist.psu.edu/rundensteiner92multiview.html Applying Multiview to Next Plc The Multiview Framework Ref: www.cms.livjm.ac.uk/CMSALAWS/PAGES/fldr/bsa7.doc The Multiview framework shows five (5) views that denote all characteristics required to facilitate user requirements for the IS....   [tags: System Analysis Design] 1313 words
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GPU Sorting - The Benefits - GPU Sorting – The Benefits The graphics processing unit or GPU has become an important part of most modern computer design. A GPU is a specialized form of processor that is implemented in a computer in order to ease the workload of the central processing unit or CPU. A GPU is also incorporated because, due to its design, it can perform certain graphics operations with greater efficiency than the more general purpose CPU. According to Denny Atkin, "More than 90% of new desktop and notebook computers have integrated GPUs" ....   [tags: Information Technology] 1339 words
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Renewable Energy: A New Direction - Abstract: Can the Quapaw Tribe Benefit from Renewable Resources. The National Renewable Energy Laboratory (NREL) finds low potential for wind and photovoltaic energy, with favorable potential for geothermal. While this is limiting in terms of options which are currently available it is also good for the Quapaw tribe as this means that there is an option available to the tribe. This entails that implantation of geothermal energy can be achieved successfully to mitigate energy cost. Introduction: “Up to ninety cents of every dollar the Tribes spend on energy leaves immediately- lost forever to all of the economic leverage and benefits this money could create within tribal communities.” –intert...   [tags: Energy ]
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Maternal Age and Down Syndrome - The Influence of Maternal Age on Down syndrome Children born to older parents are at greater risk for genetic abnormalities, such as Down syndrome. No one knows what causes the chromosomal abnormality that results in Down syndrome, a condition according to the National Association for Down syndrome, affects one in 800 to 1,000 babies in the United States. Any woman regardless of her culture, race and socio-economic status can have a baby with Down syndrome. However, a mother’ age seems to be a unifying factor among children with Down syndrome....   [tags: Medical Research]
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Donnie Darko a Timeless Classic - To view the film Donnie Darko is to constantly ask one important question, “What if?” From the beginning, the audience wonders, “what will happen if Donnie doesn’t take his meds?” (Or maybe, from the very beginning, “what if a car drove over poor Donnie sleeping the middle of the road?”). At the inciting incident, we wonder “what if Frank hadn’t called Donnie out of bed?” (Would we even have a movie?) As Act II begins, the audience must ask, “what if the school hadn’t closed down?” (Would Donnie and Gretchen ever had a chance to fall in love?) Later on we’re invited to ask, “what if Dr....   [tags: movie, film, analysis, mental health]
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Investigating How the Size of a Shadow Depends on the Angle at Which the Light Hits the Object - Investigating How the Size of a Shadow Depends on the Angle at Which the Light Hits the Object Introduction ============ The aim of the project is to see which factors affect the size of a shadow and then to look more closely at one of the factors to see how exactly it varies the size of a shadow. Variables that may affect the size of the shadow ================================================ Although, I will investigate how one factor affects the size of a shadow, there are other factors that could be investigated....   [tags: Papers] 992 words
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Layout Design - Deciding Layouts Deciding the layout is a very important step in Java GUI programming, just like solving an algorithm in normal programming. Layout decides how the components like labels, buttons, text fields etc are going to be displayed on a frame or window. Some GUI can be designed using single panel with a single simple layout. Some GUI need to be broken down into smaller panels which have to be added to an outer panel. Each smaller panel can have its own layout. The simplest layout is the flow layout....   [tags: essays research papers] 773 words
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