Imgres

History of Computers

By lmcentire16

  • Hewlett-Packard is founded

    Hewlett-Packard is founded
    Hewlett-Packard (HP) is developed in Palo Alto. Their first product was HP 200A Audio Oscillator. Walt Disney Pictures ordered 8 of them for their movie, Fantasia. This was important because it was the start of sound being put onto movies.

  • Z3 Computer is finsihed

    Z3 Computer is finsihed
    A German enigineer, Konrad Zuse, finished the Z3 computer. The Z3 used floating point binary arithmetic. It had a 22-bit word length. It was destroyed in a bombing raid in 1943. It started the computers reading binary code.

  • "The Mathematical Theory of Communication"

    "The Mathematical Theory of Communication"
    Claude Shannon's "The Mathematical Theory of Communication" taught engineers how they should code information so they could check for accuracy between transmissons between computers. This was the beginning of computers recieving and sending things to each other.

  • Earliest Magnetic Storage Device

    Earliest Magnetic Storage Device
    Engineering Research Associates from Minneapolis built the, ERA 1101. It was the first commercially produced computer. Their first customer was the U.S. Navy. This was the first magnetic storage device, so many things have come from this.

  • Silicon based junction

    Silicon based junction
    The silicon based junction transistor was perfected and sold for $2.50 by Texas Instruments. From this we have developed a silicon chip that does all the processing in a computer.

  • System/360

    System/360
    IBM created the System/360. It was a group of 6 compatible computers that could work together. This was the beginning of servers.

  • Apollo guidance computer

    Apollo guidance computer
    The Apollo guidance computer was sent into space, a year later it steered Apollo 11 to the mooon. Without this development man wouldn't have landed on the moon when they did.

  • Automatic Teller Machine

    Automatic Teller Machine
    In Southern National Bank in Georgia the first ATM was installed. ATM's are used a lot nowadays this was the first one.

  • Kenbak-1

    Kenbak-1
    The Kenbak-1 was the first personal computer, It costed $750. This was a big event because most people have a personal computer, the Kenbak-1 was the start.

  • First portable computer

    First portable computer
    The first portable computer was made by Adam Osborne. It had a 5 in. screen, and 2 floppy disk drives. This is important to me because I use a laptop everyday in school.