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Peter Beens

Full Name Course Code Computer Scavenger Hunt - Google Drive - 0 views

    Created this Computer Scavenger Hunt from a creative commons source. Feel free to use or adapt for your own use.
Peter Beens

Welcome - Fritzing - 0 views

    Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to work creatively with interactive electronics. We are creating a software and website in the spirit of Processing and Arduino, developing a tool that allows users to document their prototypes, share them with others, teach electronics in a classroom, and to create a pcb layout for professional manufacturing.
Peter Beens

Belarc Advisor - Free Personal PC Audit, for software, hardware and security configurat... - 0 views

    "builds a detailed profile of your installed software and hardware, network inventory, missing Microsoft hotfixes, anti-virus status, security benchmarks, and displays the results in your Web browser. All of your PC profile information is kept private on your PC and is not sent to any web server. "
Peter Beens

If It Ain't Broke, Don't Fix It: Ancient Computers in Use Today | PCWorld - 0 views

Peter Beens

Computers: History and Development - 0 views

  • abacus, which emerged about 5,000 years ago in Asia Minor and is still in use today, may be considered the first computer
  • In 1642, Blaise Pascal (1623-1662), the 18-year-old son of a French tax collector, invented what he called a numerical wheel calculator to help his father with his duties. This brass rectangular box, also called a Pascaline, used eight movable dials to add sums up to eight figures long.
  • In 1694, a German mathematician and philosopher, Gottfried Wilhem von Leibniz (1646-1716), improved the Pascaline by creating a machine that could also multiply. Like its predecessor, Leibniz's mechanical multiplier worked by a system of gears and dials.
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  • The real beginnings of computers as we know them today, however, lay with an English mathematics professor, Charles Babbage (1791-1871). Frustrated at the many errors he found while examining calculations for the Royal Astronomical Society, Babbage declared, "I wish to God these calculations had been performed by steam!" With those words, the automation of computers had begun.
  • Babbage's first attempt at solving this problem was in 1822 when he proposed a machine to perform differential equations, called a Difference Engine
  • One of the few people who understood the Engine's design as well as Babbage, she helped revise plans, secure funding from the British government, and communicate the specifics of the Analytical Engine to the public. Also, Lady Lovelace's fine understanding of the machine allowed her to create the instruction routines to be fed into the computer, making her the first female computer programmer. In the 1980's, the U.S. Defense Department named a programming language ADA in her honor.
  • Powered by steam and large as a locomotive
  • Babbage borrowed the idea of punch cards to encode the machine's instructions from the Jacquard loom. The loom, produced in 1820 and named after its inventor, Joseph-Marie Jacquard, used punched boards that controlled the patterns to be woven.
  • In 1889, an American inventor, Herman Hollerith (1860-1929), also applied the Jacquard loom concept to computing. His first task was to find a faster way to compute the U.S. census
  • Instead of ten years, census takers compiled their results in just six weeks with Hollerith's machine.
  • Hollerith brought his punch card reader into the business world, founding Tabulating Machine Company in 1896, later to become International Business Machines (IBM) in 1924
  • First Generation (1945-1956)
  • Second Generation Computers (1956-1963)
  • By 1948, the invention of the transistor greatly changed the computer's development.
  • Third Generation Computers (1964-1971)
  • Jack Kilby, an engineer with Texas Instruments, developed the integrated circuit (IC) in 1958
  • Fourth Generation (1971-Present)
  • Fifth Generation (Present and Beyond)
Peter Beens

When was the first computer invented? - 0 views

  • MIT introduces the Whirlwind machine on March 8, 1955, a revolutionary computer that was the first digital computer with magnetic core RAM and real-time graphics.
  • The TX-O (Transistorized Experimental computer) is the first transistorized computer to be demonstrated at the Massachusetts Institute of Technology in 1956.
  • In 1960, Digital Equipment Corporation released its first of many PDP computers the PDP-1.
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  • Intel introduces the first microprocessor, the Intel 4004 on November 15, 1971.
  • The IBM 5100 is the first portable computer, which was released on September 1975.
  • The first truly portable computer or laptop is considered to be the Osborne I, which was released on April 1981
  • Steve Wozniak designed the first Apple known as the Apple I computer in 1976.
  • The Compaq Portable is considered to be the first PC clone and was release in March 1983 by Compaq
Peter Beens

The History of Computing - 0 views

  • 1946 - ENIAC - World's first electronic, large scale, general-purpose computer
Peter Beens

The History of the Computer Mouse - Computing History - 0 views

  • The mouse was invented by Douglas Engelbart in 1964 and consisted of a wooden shell, circuit board and two metal wheels that came into contact with the surface it was being used on.
  • It was 8 years later in 1972 that Bill English developed the design further by inventing what is known as the "Ball Mouse" that we know today.
  • At the time Bill English was working for Xerox Parc
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  • An optical mouse was developed in around 1980
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