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HISTORY OF COMPUTERS

By cristina27
  • 2300 BCE

    ABACUS

    ABACUS
    The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that was in use in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the written Arabic numeral system

  • BONES NAPIER

    BONES NAPIER
    Napier bones, also known as Napier rods or rods, were developed by the inventor of logarithms to perform multiplication, division, and square roots.

  • CALCULATOR

    CALCULATOR
    In 1623 Wilhelm Schickard invented a device that made it possible to do arithmetic operations completely mechanically, the Rechenuhr or calculating clock.

  • PASCALINA

    PASCALINA
    he pascalina was the first calculator that worked with wheels and gears, invented in 1642 by the French philosopher and mathematician Blaise Pascal

  • JACQUARD LOOM

    JACQUARD LOOM
    The contraption used punch cards to weave patterns into the fabric, allowing even the most inexperienced users to create complex designs.

  • BABBAGE PROGRAMMABLE COMPUTERS

    BABBAGE PROGRAMMABLE COMPUTERS
    He designed and developed a mechanical calculator capable of calculating tables of numerical functions by the method of differences. He also designed, but never built, the analytics for running tabulation or computing programs; for these inventions he is considered one of the first people to conceive the idea of ​​what today we would call a computer

  • Z3

    Z3
    Konrad Zuse was a German engineer and a pioneer of computing. His most notable achievement was finishing the first working program-controlled computer, the Z3 in 1941.

  • COLOSSUS

    COLOSSUS
    It was created in 1943 by a team of scientists and mathematicians working in Bletchley Park, north London, it was the first fully electronic digital computer. It incorporated 1500 valves or vacuum tubes, and in December 1943 it was already operational

  • TRADIC

    TRADIC
    Declassified CIA documents name TRADIC as the first operational and transistorized computer in 1954. TRADIC had between 700 and 800 transistors and 10,000 diodes. It was capable of executing about a million logical operations per second.

  • IBM COMPUTER

    IBM COMPUTER
    IBM introduced its first PC, the Model 5150, which popularized the term 'personal computer'.

  • Epson HX-20

    Epson HX-20
    The first laptop was the Epson HX-20 . It demonstrated its great benefits for the work of scientists, military personnel, businessmen, and other professionals, who saw the advantage of being able to carry with them their computer with all the information they needed from From one place to another.

  • pentium

    pentium
    is a range of fifth generation microprocessors with x86 architecture produced by Intel Corporation.