1. History Of Computers - Wikibooks, Collection Of Open-content Textbooks Sep 6, 2010 History of Computers. From Wikibooks, the opencontent textbooks Retrieved from http//en.wikibooks.org/wiki/history_of_computers http://en.wikibooks.org/wiki/History_of_Computers

History of Computers From Wikibooks, the open-content textbooks collection Jump to: navigation search From the dawn of time, human beings have always tried to find new ways to solve problems, be more productive, work with numbers faster, and have better ways of storing information. From the early humans counting systems to the abacus, the slide-rule, and then later calculators, the persistent creation of ever more complex tools with the aim to allow human beings to expand the power of their minds has never stopped. The Pursuit of Computation Early Innovations The Rise and Fall of the Mainframe The Rise of the Microcomputer ... Applications Development History Retrieved from " http://en.wikibooks.org/wiki/History_of_Computers Subjects History of Computers History ... Computing Hidden categories: Alphabetical/H Partly developed books What do you think of this page? Please take a moment to rate this page below. Your feedback is valuable and helps us improve our website. Reliability Excellent High Fair Low Poor (unsure) Completeness Excellent High Fair Low Poor (unsure) Neutrality Excellent High Fair Low Poor (unsure) Presentation Excellent High Fair Low Poor (unsure) Personal tools New features Log in / create account Namespaces Book Discussion Variants Views Read Edit View history Actions Search Navigation Main Page Help Browse Cookbook ... Donations Community Reading room Community portal Bulletin Board Help out!

2. History Of Computers/The Rise Of The Microcomputer - Wikibooks, Collection Of Op History of Computers/The Rise of the Microcomputer. From Wikibooks, the open http://en.wikibooks.org/wiki/History_of_Computers/The_Rise_of_the_Microcomputer

History of Computers/The Rise of the Microcomputer From Wikibooks, the open-content textbooks collection History of Computers This page may need to be reviewed for quality. Jump to: navigation search Contents Altair Radio Shack ZX Spectrum, and Compatibles Apple ... edit Altair The MITS Altair 8800 was designed around a new microprocessor, the Intel 8080, and debuted in 1975. Its announcement on the January 1975 issue of Popular Electronics magazine led the Albuquerque-based manufacturer to a four-month backlog attempting to fill orders. The Altair is considered the first home computer. Its only input was a series of front-panel switches. However, it had a motherboard with a bus, which allowed other companies to provide keyboards, tape readers and other devices to access the registers. A group of Harvard students wrote a BASIC interpreter for the MITS. These students Steve Ballmer, Paul Allen, and Bill Gates left school to focus on code development and not long afterward created MicroSoft. edit Radio Shack The TRS-80 series computers were based on the Zilog Z80 processor and ran TRS-DOS on a monochrome monitor. It used floppy disks and then later hacks were made to use hard drives.

3. History Of Computers/Programming Languages Evolution - Wikibooks, Collection Of History of Computers/Programming Languages Evolution. From Wikibooks, the http://en.wikibooks.org/wiki/History_of_Computers/Programming_Languages_Evolutio

History of Computers/Programming Languages Evolution From Wikibooks, the open-content textbooks collection History of Computers This page may need to be reviewed for quality. Jump to: navigation search The first version of a programming language arose from work by Ada Lovelace , the benefactor and business partner of Charles Babbage . Unfortunately her work went mostly ignored since Babbage never built a completed Analytical Engine so there was no public deployment. She is remembered in the programming language still in use on military-grade projects, Ada Contents Wiring and Raw Binary Assembly FORTRAN BASIC ... edit Wiring and Raw Binary Early work with analog and electromechanical computers did not involve programming languages the way we know them. Since early computers needed to be wired directly for each problem set, the process of setting plugs took the place of having a text-based distillation of an algorithm. As electromechanical machinery gave way to mercury delay lines and drum memory, it became possible to write directly to addresses in memory and provide instructions without rewiring. This typically meant writing what we would call "machine code". This often gets called "hex" today, as modern 32-bit and 64-bit microprocessor systems read binary data in 8 or 16 hexadecimal chunks per clock cycle. Writing code at the machine level is difficult: it requires that the programmer know the specific locations for registers in hardware and the instruction set for the processor. Reading machine code is often more difficult than writing it, thus tracking code changes is nearly impossible for a human.

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History of Computers/The Operating System History From Wikibooks, the open-content textbooks collection History of Computers This page may need to be reviewed for quality. Jump to: navigation search edit Mainframe Operating Systems IBM BOS IBM TOS IBM DOS IBM MFT IBM MVT IBM MVS IBM VM ICL GEORGE edit Personal Computer Operating Systems QDOS CP/M MS-DOS edit Operating system 'wars' When the PC was introduced, it needed an operating system. IBM approached a company named Digital Research, which was owned by Gary Kildall. IBM sought the use of Digital Research's CP/M, a popular operating system in earlier systems. (It was, in fact, the first operating system that wasn't hardware-specific.) IBM did not want to pay royalties, however, but sought a one time purchase, which included a rename. Digital Research refused, and IBM withdrew. They then approached Microsoft and Bill Gates, who purchased an existing operating system (Seattle Computer Company's 86-DOS) and renamed it MS-DOS. This name was later used on non-IBM models; Microsoft agreed to IBM's desire to use their own name, and the operating system was sold as PC-DOS on the PC. 86-DOS was modelled after CP/M, and Digital Research filed legal action for patent infringement. IBM settled by offering computer buyers a choice of either; however, CP/M-86 (as the PC version was named) cost almost $200 more than PC-DOS, and it did not sell well.

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history of computers houston I In 1980, IBM first approached Bill Gates and Microsoft, to discuss the state of home computers and Microsoft products. Gates gave IBM a few ideas on what would make a great home computer, among them to have Basic written into the ROM chip. Microsoft had already produced several versions of Basic for different computer system beginning with the Altair, so Gates was more than happy to write a version for IBM. As for an operating system (OS) for the new computers, since Microsoft had never written an operating system before, Gates had suggested that IBM investigate an OS called CP/M (Control Program for Microcomputers), written by Gary Kildall of Digital Research. Kindall had his Ph.D. in computers and had written the most successful operating system of the time, selling over 600,000 copies of CP/M, his OS set the standard at that time. IBM tried to contact Kildall for a meeting, executives met with Mrs. Kildall who refused to sign a non-disclosure agreement. IBM soon returned to Bill Gates and gave Microsoft the contract to write the new operating system, one that would eventually wipe Kildall's CP/M out of common use. The "Microsoft Disk Operating System" or MS-DOS was based on QDOS, the "Quick and Dirty Operating System" written by Tim Paterson of Seattle Computer Products, for their prototype Intel 8086 based computer.

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History of Computers Complete the following hunt using the links provided. Type your answers in a new word processing file. What is the name of the first (successful) personal computer? What year was it introduced? What did it cost? First personal computer When was the floppy disk invented? Who invented it? What was it's size? Floppy disk When was the first Apple computer built? Name the two guys named Steve that made it. Cost? First Apple Computer When was Microsoft Windows (Not Windows 95) introduced? Microsoft Windows 1 What year was the Apple Macintosh introduced? What was special about the Macintosh? Macintosh When was the Internet "invented". What was it called originally? Computers: History and Development Triumph of the Nerds What device was technically the very first computer? Computers: History and Development Who was the first computer programer?

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] Subscribe To This Site history of computers or computer history explain in simple word history of the computer the way i see it. I will present a short computer history timeline. I will not go into detail spec about those machine. In the history of computers there as been a lot of thing going on, it really started around 1939. To me the first computer as we know it, is the ENIAC Of course there has been HP, and IBM that as build super calculator in around 1939-1942. Even the Harvard Mark-1, to me they where more calculator then computer. In 1946 the public got its first glimpse of the ENIAC, a machine built by John Mauchly and J. Presper Eckert, this was to me the first machine capable of processing a program. It as the capability of 1,000 times on the speed of its contemporaries big calculator. Then they where : Around 1941,42 The Zuse Z3 Computer 1942- The Atanasoff-Berry Computer from Iowa State College that really never work. Project Whirlwind start in 1943, it was a analog computer, but found it inaccurate and inflexible. About the same time ENIAC was started and was a Digital computer. 1946- ENIAC project was finish and also AVIDAC 1948- IBMДs SSEC, the first computer from IBM, and use the Technology: 20,000 relays, 12,500 vacuum tubes.

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El Centro Computer Repair Home About Services Tech Tips ... Contact Monday 9:00 AM to 8:00 PM Tuesday 9:00 AM to 8:00 PM Wednesday 9:00 AM to 8:00 PM Thursday 9:00 AM to 8:00 PM Friday 9:00 AM to 8:00 PM Saturday 9:00 PM to 8:00 PM On-Site Support Home Networking Business Networks Backup Solutions Data Recovery Hardware Upgrades Web Hosting Maintenance History Of Computers In the past 50 years, the computer has had a profound impact on business and on society in general. But the history behind its making an evolution is very long. Let us have a look at the major milestones which led to present day computers. Blaise Pascal was the mastermind who built the first mechanical digital calculator called Pascaline in 1642. Pascaline could perform addition and subtraction on whole numbers. However, it was a big financial failure. In 1804, Frenchman Joseph Marie Jacquard built an automated punched-card machine to operate weaving looms. His invention showed that data could be coded on cards; the cards could be joined to create a series of instructions. Programmable instructions proved to be a concept of great importance for modern computers. In 1822, Charles Babbage designed the difference engine that had mechanical memory to store results. His design grew complex as revisions occurred to him. He then proposed a more elaborate computing machine, the analytical engine. For his contributions, Babbage earned the title of т€œFather of the Computerт€.

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