The Computer (MOST MONTHS AND DAYS ARE UNKNOWN)

By meadows761349

  • 1946

    1946
    (Month and day are unknown)
    Engineers at the University of Pennsylvania build the first all-electronic computer, the ENIAC.

  • 1947

    1947
    (MONTH AND DAY ARE CONFIRMED)
    Americans William Shockley, Walter Brattain, and John Bardeen invent the transistor.

  • 1959

    The intergrated circuit is perfected by Jack Kilby and Robert Noyce, also Americans.

  • 1970

    1970
    Intel creates the first DRAM (dynamic random access meory) chip.

  • 1971

    Intel introduces the 4004 microprocessor. The ARPANET, which is the Internet, is established.

  • 1972

    Intel introduces the 8008 mircoprocessor. It contains 3,500 transistors and can execute 60,000 instructiosn per second.

  • 1975

    1975
    Bill Gate and Paul Allen form Micro-soft, which today is known as Microsoft.

  • 1976

    1976
    The first Apple computer is built by Steve Wozaniak and Steve Jobs.

  • 1979

    Intel tnroduces the 29,000 transistor 8088 mircoprcessor, which can carry out 750,000 instructions per second.

  • 1981

    IBM produces its first personal computer based on the Intel 8088 micrsoprcessor. The PC has 16 kilobytes or memory and costs $3,000.

  • 1983

    1983
    TIME magazine chooses the computer as its Machine of the Year.

  • 1985

    The INtel386 processor has 275,000 transistors, runs at 16 megahertz, and can access 4 gigabytes of memory.

  • 1989

    The Intel486 processor uses 1.2 million transistors to carry out 20 million instructions per second.

  • 1993

    The Intel Pentiua, processor, with over 3.1 million transistors, can execute 100 million instructions per second.

  • 1997

    Intel introduces the Pantium II processor with 7.5 million transistors.