Index

hystori of computer

By mohaiutu223
  • 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.[1] The exact origin of the abacus is still unknown. The abacus essentially consists of a number of rows of movable beads or other objects, which represent digits.

  • TABLE OF NAPIARE

    TABLE OF NAPIARE
    Napier bones, also known as Napier rods or rods, were developed by the inventor of logarithms to perform multiplication, division, and square roots. Napier's bones consisted of an individualized and particular version of the multiplication tables. Each rod contained the multiplication table of one of the 10 basic digits of our decimal number system, 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9, where the result of each individual multiplication was written in a square

  • CALCULADORA n1

    CALCULADORA n1
    Wilhelm Schickard had already made a previous design in 1623, although there is no evidence that it was ever built and it was incomplete, as it would have needed additional springs and gears to function properly.1 In 1642, Pascal designed and built the world's first recorded calculator. It was a rather cumbersome little wooden box with a row of numbered discs on the lid, with holes for finger poking and spinning. Each disc had a window,

  • PASCALINA

    PASCALINA
    The pascaline was the first calculator that worked on wheels and gears, invented in 1642 by the French philosopher and mathematician Blaise Pascal (1623-1662). The first name he gave to his invention was 'arithmetic machine'. Then he called it "pascaline wheel", and finally "pascaline". This invention is the remote ancestor of today's computer.

  • TELAR DE JACQUARD

    TELAR DE JACQUARD
    The Jacquard loom is a power loom invented by Joseph Marie Jacquard in 1801. The contraption used punched cards to weave patterns into fabric, allowing even the most inexperienced users to create complex designs. The invention was based on instruments previously designed by Basile Bouchon (1725), Jean-Baptiste Falcon (1728) and Jacques Vaucanson (1740), all of them French nationals.

  • mack book pro

    mack book pro
    MacBook Pro is a line of high-performance notebook computers from Apple Inc. that is aimed at professional users. It is the successor to the PowerBook G4 model. It is the company's first product line to include Intel processors, and was unveiled at the MacWorld 2006 technology fair on January 10, 2006. It is based on Intel Core 2 Duo processors (up to 2.66 GHz) Intel Core i5, Intel Core i7 and Intel Core i9 processors, includes an iSight camcorder, now called "FaceTime HD", backlit