Where We Get Computer Terminology Did you know that the first computers were people? That’s right, for about 200 years, a “computer” was a person who did scientific calculations by hand. When electronic calculating machines were invented, computer was a natural choice for what to call them. Sometimes new names are created to describe new technologies. But more often than not, new technologies get their names from old, familiar terms. At first, this is a new use of the term. But sometimes we forget the original meaning and the “new” one becomes the one we know best. In other cases, knowing the origin of a term can help you determine its meaning more easily. For example, HTML is a computer programming language or code that is used to create Web applications. Like any programming language, it needs to be error-free for the application to work properly. We often say that a section of HTML code that has no mistakes, missing parts, or unnecessary additions is “clean.” A section of code that does have these things is called “messy,” or “dirty.” The words clean and dirty, when applied to programming code, suggest specific feelings or attitudes. What feelings and associations do you have with the word messy? You probably recognize the term digital in the context of computer technology. But do you know exactly what it means? It might help to think about the word it comes from, digit. Digit has several meanings, but the best-known are “finger” and “numeral.” What do numbers have to do with fingers? Well, have you ever counted on your fingers? Now that you know the connection between numbers and fingers, you are ready to tackle the term digital. What do you suppose the expression “digital storage” means? Here’s another example. What do... ... middle of paper ... ...in word-processing, even though it is performed electronically through key commands. Another word-processing example is the operation called cutting-and-pasting. At one time documents were created by printing out text on paper and cutting it into strips each containing a single row of letters. The strips were then pasted into another piece of paper to form pages. To move part of the text into a new position, you would literally cut the words out of the strip or strips they were on and paste them into the new place. Word-processing software now allows you to perform operations like this electronically simply by highlighting text and using keyboard or on-screen commands to cut, copy, or paste it. Although word-processing does not involve literal cutting and pasting, familiar words such as these can help us understand and remember the meanings of many technical terms.
Schoener, Steven E. "The Digital Revolution." Internet Archive: Wayback Machine. Last modified May 5, 2004. http://web.archive.org/web/20081007132355/http://history.sandiego.edu/gen/recording/digital.html.
Digital photographs is the art and science of producing and manipulating digital photographs that are represented as bit maps. Digital photographs can be produced in a number of ways:Directly with a digital camera, By capturing a frame from a video and By scanning a conventional photograph.
Computer evolution from the 1950’s until the present have been through numerous obstacles, but through all they have had a profound impact on human culture, human rights, and education. Before 1935, a computer was a person who performed mathmetical calculations. Between 1935 and 1945 the definition referred to a machine, rather than a person. The modern machine definition is based on von Neumann's concepts: a device that accepts input, processes data, stores data, and produces output (Graham). Before the computer was an electronic device, people were doing all of the computing, According to the Barnhart Concise Dictionary of Etymology (Robert Barnhart, ed., NY: Harper Collins 1995), computer came into the English language in 1646 as a word for one who computes and then by 1897 as a mechanical calculating machine.
There are many different beginnings to the origins of computers. Their origins could be dated back more than two thousand years ago, depending on what a person means when they ask where the first computer came from. Most primitive computers were created for the purpose of running simple programs at best. (Daves Old Computers) However, the first ‘digital’ computer was created for the purposes of binary arithmetic, otherwise known as simple math. It was also created for regenerative memory, parallel processing, and separation of memory and computing functions. Built by John Vincent Atanasoff and Clifford Berry during 1937-1942, it was dubbed the Atanasoff Berry Computer (ABC).
Digital Forensic Digital forensics is the process of uncovering and interpreting electronic data. The purpose of the process is to preserve any evidence from original form in order to perform for investigation purposes with several procedures such as collect, identify and validate the digital information. According to (Kaur & Kaur, 2012) digital forensics is a branch of forensic science concerned with the use of digital information produced, stored and transmitted by computers as source of evidence in investigations and legal proceedings. 2.3.1 Basic Forensic Process According to (Al-Fedaghi & Al-Babtain, 2012) claimed that the phase can be established through model process in digital forensic.
...ere are gears used to select which numbers you want. Though Charles Babbage will always be credited with making the first “true” computer, and Bill Gates with popularizing it, Blaise Pascal will always have a place among the first true innovator of the computer. There is even a programming language called Pascal or Object Pascal which is an early computer program.
Computer engineering started about 5,000 years ago in China when they invented the abacus. The abacus is a manual calculator in which you move beads back and forth on rods to add or subtract. Other inventors of simple computers include Blaise Pascal who came up with the arithmetic machine for his father’s work. Also Charles Babbage produced the Analytical Engine, which combined math calculations from one problem and applied it to solve other complex problems. The Analytical Engine is similar to today’s computers.
Computers Modulator Demodulators (Modems) are used to change the analogue to digital and the other way around Analogue to Digital Conversion Matt Davey Analogue to Digital Conversion is the way of converting a continous analogue signal to a series of digital binary numbers. This is done in many pieces of hardware by taking samples of the analogue signal and then each sample is digitised into a binary code by a microchip. This process is known as Quantization a process where a continuous signal is converted to a series of points at discrete levels. This process is specific to the music industry.
The hardware part of the computer can be described as tangible due to fact that it can be physically touched. On the other hand, software found on a computer cannot by physically touched other than interacted with using the hardware peripherals connected to the computer system.
Digital Evidence is electronic data, materials, objects, property, documents, or records that are presented in court to prove or disprove allegations made against an arrestee. It takes the form of electronic data or information stored in bits and bytes on magnetic media. The examples of devices that can contain digital evidence include; cellular phones or similar all in one devices, pagers, digital voice recorders.
The fist computer, known as the abacus, was made of wood and parallel wires on which beads were strung. Arithmetic operations were performed when the beads were moved along the wire according to “programming” rules that had to be memorized by the user (Soma, 14). The second earliest computer, invented by Blaise Pascal in 1694, was a “digital calculating machine.” Pascal designed this first known digital computer to help his father, who was a tax collector. Pascal’s computer could only add numbers, and they had to be entered by turning dials (Soma, 32). It required a manual process like its ancestor, the abacus. Automation was introduced in the early 1800’s by a mathematics professor named Charles Babbage. He created an automatic calculation machine that was steam powered and stored up to 1000 50-digit numbers. Unlike its two earliest ancestors, Babbage’s invention was able to perform various operations. It relied on cards with holes punched in them, which are called “punch cards.” These cards carried out the programming and storing operations for the machine. Unluckily, Babbage’s creation flopped due to the lack of mechanical precision and the lack of demand for the product (Soma, 46). The machine could not operate efficiently because technology was t adequate to make the machine operate efficiently Computer interest dwindled for many years, and it wasn’t until the mid-1800’s that people became interested in them once again.
The World Turning Digital: computer is seen in virtually all aspects of our lives. From the mobile phones we use, the Television we watch etc. Makes it pretty interesting to found out how this work.
The history of the computer dates back all the way to the prehistoric times. The first step towards the development of the computer, the abacus, was developed in Babylonia in 500 B.C. and functioned as a simple counting tool. It was not until thousands of years later that the first calculator was produced. In 1623, the first mechanical calculator was invented by Wilhelm Schikard, the “Calculating Clock,” as it was often referred to as, “performed it’s operations by wheels, which worked similar to a car’s odometer” (Evolution, 1). Still, there had not yet been anything invented that could even be characterized as a computer. Finally, in 1625 the slide rule was created becoming “the first analog computer of the modern ages” (Evolution, 1). One of the biggest breakthroughs came from by Blaise Pascal in 1642, who invented a mechanical calculator whose main function was adding and subtracting numbers. Years later, Gottfried Leibnez improved Pascal’s model by allowing it to also perform such operations as multiplying, dividing, taking the square root.
The information can be expressed through words, numbers, sounds, and images. By better understanding digital technology, we improve our control over such information.
computer. The electronic computer has been around for over a half-century, but its ancestors have been around for 2000 years. However, only in the last 40 years has it changed the American society. From the first wooden abacus to the latest high-speed microprocessor, the computer has changed nearly every aspect of people’s lives for the