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Brief history of computer development
Brief history of computer development
Computer development history
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Insightfully mapping out the technological advancements in software development from its beginnings somewhere in the late 1940’s to the current modern age. There is more than enough compelling evidence that software technology has laid a strong impact on all economic and social aspects of our modern day living. Thus, a systematic approach towards high quality software development is required due to an increasingly quality oriented market and competitive business world. With this intricate dependency on software it has become imperative for software engineers and companies alike to deploy high quality software products. This therefore entails producing software products that are defect-free. A defect can be identified as any imperfection, unsatisfactory condition or an undesired behavior observed by both the management of software industry and their customers. Hence, one of the vital activities of software engineers is to manage defects as they are injected in software during development and rooting out the causes of these defect injections. This document therefore attempts to identify the common causes of software defects with reference to the two main approaches for defect management namely defect detection and defect prevention. The defect detection approach identifies root causes of defects and defect prevention activities avoid the recurrence of defects. By identifying these causes and defects one can implicitly make further recommendations as to which defect management approach is most effective as to mitigating or reducing the occurrence of these defects. Overview of research paradigm On this investigative journey of identifying the “common” causes of defects we are to assume that the injections of certain defects are pre... ... middle of paper ... ...olume 8– No.7, October • T.R.Gopalakrishnan Nair (1) and V. Suma (2010), The Pattern of Software Defects Spanning Across Size Complexity July • T.R.Gopalakrishnan Nair (1) and V. Suma, defect management strategies in Software development, research and industry incubation Centre • T.R.Gopalakrishnan Nair (1) and V. Suma , Four-Step Approach Model of Inspection (FAMI) for Effective Defect Management in Software Development • Suma. V., and T. R. Gopalakrishnan Nair (2008), Effective Defect Prevention Approach in Software Process for Achieving Better Quality Levels, World Academy of Science, Engineering and Technology 42 • Khaleel Ahmad, Nitasha Varshney, On Minimizing Software Defects during New Product Development Using Enhanced Preventive Approach (2012), International Journal of Soft Computing and Engineering (IJSCE ISSN: 2231-2307, Volume-2, Issue-5, November
The Software Development Life Cycle is seldom used at my place of work. Unfortunately, recent developments in its use are deemed confidential. Due to this fact, this paper will examine in general terms one of the projects we are undertaking right now while at the same time attempting to maintain our confidentiality.
Software design and development is a field that requires various skills and abilities. Companies engaged in the development of software should provide an inclusive work environment where the different strengths of their employees are recognised, utilised and respected. Software development involves far more than programming skills. Personnel are required with strong communication, teamwork, attention to detail, creativity, design and problem-solving skills. Different personnel will possess these skills in varying proportions. It is the job of management to foster and encourage the development and enhancement of skills in the workplace.
Generally, the software projects that failed are evaluated in terms of cost, time, human resources (employees involved in project), Objectives caused to start a project have to be changed. The failure of the software projects may happen at any level sometimes at designing phase, requirements phase, etc. Many researchers, summarized that the main reasons for projects failures are:
Media reports in January of 2005 detailed severe problems with a $170 million high-profile U.S. government IT systems project. Software testing was one of the five major problem areas according to a report of the commission reviewing the project. In March of 2005 it was decided to scrap the entire project.
Many manufacturers have built products with software instructions embedded onto chips; equipment ranging from fax machines to auto assembly lines could all be affected by the bug. What's the Problem? For many organizations, the Year 2000 Problem has become the most complex project management exercise ever undertaken.
It is a requirement that every major software development and implementation project includes three key stakeholders. These are enterprise customer, system integrator and software vendors. Most failures of the systems are contributed by these three stakeholders.
Security vulnerabilities are caused by flaws in code that are exploitable and are not caught before software is released. There are tools available to try and find such vulnerabilities after they have been coded, but these tools are often used after software changes are migrated to the later integration/testing phases of development. Software flaws would be much easier to find early, and less likely to occur at all, if the software is being properly analyzed and tested in a continuous integration environment with tests providing a high level of code coverage. Such a process complements and enhances the value of static analysis tools that scan code for known security flaws. A continuous integration process with high code coverage will: Help reduce security flaws from being added in unexpected
Software systems are discrete-state systems that do not have repetitive structures. The mathematical functions that describe the behaviour of software systems are not continuous, and traditional engineering mathematics do not help in their verification." In other words some software can be so large that thorough testing can be almost impossible and so bugs in the software can go unnoticed. An example of this was when an Atlas-Agena rocket veered off-course when it was ninety miles up. Ground control had to destroy the $18.5 rocket.
Early fixing of errors not only helps save cost but also helps in mitigating the various risks associated with software development and it also helps in improving and monitoring quality of the system etc. It has been proven that the cost to identify and mitigate the errors in the early stages of development of a software will be hundred times less than the cost of removing an error in the software system that has been distributed among hundreds of
This paper has the intention to explain what Rational Unified Process (RUP) is like an IBM product and a CASE tool. After is explained what phases it has, what are the most common extensions thus what are its workflows more used. The Rational Unified Process (RUP) is a software design method created by the Rational Software Corporation and now is part of IBM developer software. This paper describes how to deploy software effectively. The Rational Unified Process (RUP) use commercially proven techniques, and is a heavy weight process, and hence particularly applicable to larger software development teams working on large projects.
Quality is one of the most important components of application development and an integral part of the project process to ensure that errors are not made while
Cost of fixing defects is very high when detected at a later stage. Not a good model for complex and long projects. No working software is produced until late during the lifecycle. 3. Agile Model Wikipedia defines Agile Model as “a group of software development methods based on iterative and incremental development, where requirements and solutions evolve through collaboration between self-organizing, cross-functional teams.
Every organization has unique reasons for automating software quality activities, but several reasons are common across industries.
Users losing billions due to bugs. By: Thibodeau, Patrick; Rosencrance, Linda. Computerworld, Jul2002, Vol. 36 Issue 27, p1, 2p; (AN 6955885)
...times developers may not carry out quality assurance test (which make sure that the software is in pristine condition), and as a result of this, there could be problem with the software. Testing software before it’s rolled out for clients is really important, because it could cause huge losses both for the developer and the client who are going to make use of it. Even though a developer cannot be charged (as long as he is not liable) for bugs that causes damage, but the reputation of the developer comes to stake.