device of a computer where all data is saved. Hard drives are non-volatile which allows the data to be saved even when the computer is shut down. “Although most hard drives are internal hard drives‚ many users also use external hard drives to backup data on their computer and expand the total amount of space available to them”( "What Is Hard Drive?" Computer Hope. Web. 14 Sept. 2014.) The first Hard Drive was released by IBM in 1956. Random Access Memory (RAM): Another form of computer storage‚
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In computing‚ a keyboard is a typewriter-style device‚ which uses an arrangement of buttons or keys‚ to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape‚ interaction via teleprinter-style keyboards became the main input device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing and holding several
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Computer Programming Programming a computer is almost as easy as using one and does not require you to be a math genius. People who are good at solving story problems make good programmers‚ and others say that artistic or musical talent is a sign of potential programmer. Various computer languages are described‚ and tips on choosing the right language and learning how to use it are provided. Learning how to program is actually easier than many people think. Learning to program takes about the
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What Is Computer Software? When you think of a computer imagine a machine made of two parts. The first part is the computer hardware‚ the physical parts of the computer that you can actually touch. Some examples of hardware are disks‚ monitors‚ boards‚ chips‚ etc. Hardware does all of the physical work of the computer‚ from memory storage to display. The second part‚ what we call “computer software”‚ acts as the brain of the computer‚ telling the hardware what to do and when and how to do it
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Computer programming (often shortened to programming) is a process that leads from an original formulation of a computing problem to executable programs. It involves activities such as analysis‚ understanding‚ thinking‚ and generically solving such problems resulting in an algorithm‚ verification of requirements of the algorithm including its correctness and its resource consumption‚ implementation (commonly referred to as coding[1][2]) of the algorithm in a target programming language. Source code is
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Computer is playing vital role in modern life. Computer education has great importance because use of computer has reached almost all spheres of life. The modern life of today includes information and contacts with people all over the world. Computer has helped considerably to achieve this. This is possible through computer education when a person knows the use of computer‚ he can employ in his business‚ for planning and chalking out programmed. Calculations and statical works. The internet
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Concept of a Computer System The Computer System Concept. A computer is more than a high-powered collection of electronic devices performing a variety of information processing chores. A computer is a system‚ an interrelated combination of components that performs the basic system functions of input‚ processing‚ output‚ storage‚ and control‚ thus providing end users with a powerful information processing tool. Understanding the computer as a computer system is vital to the effective use and management
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Evolution of Computer A.P.Mohana priyaa Abacus Chinese invented calculating device called ABACUS Ø Also known as “SOROBAN” perform addition and Ø subtraction Wooden rack holding two horizontal wires with beads Ø strung on them. Rules memorized by the user Ø Regular arithmetic problems can be done Ø NAPIER’S DEVICE John Napier a Scottish Mathematician Ø Set of eleven animal bones later it was replaced by Ø rod Number marked on them‚they placed
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Computers are the best way of teaching subjects to students. These days‚ all schools and colleges have computer labs where they receive practical training from their teachers. Computers assist teachers in teaching their students easily and quickly. With the help of computers and the broadband Internet facility‚ students can search for the concepts or things which they wish to know‚ by referring to relevant websites. The Internet is an ocean of information and surfing daily will increase the knowledge
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Roettger Computer Fundamentals for Technology February 23‚ 2014 The History of Personal Computers (Zimmermann) The personal computer in the beginning was not intended to be used for personal entertainment or for email‚ but was intended to be used for solving a number-crunching crisis. By 1880‚ the United States had grown so much that it took several years to calculate the United States census results. They were looking for a faster and more efficient way to get the results. The first computers were
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