Istorija kompjutera

Manualna era ( ? – 1642)

• Sva izracunavanja vrsena raucno
  • Ruka je prvi uredjaj za izracunavanje
  • Nema memorisanja podataka
• Abacus razvijen u Kini
  • Brz
  • Ogranicena mogucnost memorisanja
• 1500 izumljen mehanizam sata
• 1622 William Oughtred izumio slide rule

Mehanicka era(1642 – 1890)

• All computation done by by machines and gears
• Blaise Pascal (1642)
  • Designed first gear based calculator system
• Joseph Jacquard (1801)
  • Automated loom that used wood punch cards
• Charles Babbage (1833)
  • For fun he would try to spot errors in mathematical tables
  • Designed analytical, difference engines (machines)
  • Included input and output devices, processor and storage
  • Could NOT be built because of level of precision needed
  • His ideas laid foundations for today’s computers (Input – Process – Output)
  • Electricity availability becoming widespread
• Ada Byron Lovelace First computer programmer