Blaise pascal he was a famous french philosopher and

This preview shows page 1 - 3 out of 3 pages.

Blaise PascalHe was a famous French philosopher and mathematician invented the firstcalculator in 1645 to help with collecting taxes. It could add and subtract byrotating dialsCharles BabbageCharles Babbage designedthe “Difference Engine” and “Analytical Engine”in the early 19th Century, which was the blueprint used in the invention ofthe modern electronic digital computer. The Difference Engine was neverfully built.Babbage drew up the plans for it while still a student atCambridge University.Howard AikenIn 1944, while a professor of physics at Harvard, Howard Aiken wassupported by IBM to build the ASCC computer (Automatic SequenceControlled Calculator).The computer had mechanical relays (switches)which flipped backwards and forwards to represent mathematical data.Itwas huge and weighed 35 tons with 500 miles of wiring
Jack KilbyJack Kilby invented the first integrated circuit in 1959, which meantcomputers could become smaller and more reliable.These were first used inside calculators.John NapierJohn Napier wasa scottish mathematician and phusicist. He is best known asthe inventor of logarithms.Lady Augusta AdaLady Augusta Ada introduced many computer concepts, and becasue ofthat Ada s considered the first computer programmer.

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 3 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Fall
Professor
Unknown
Tags
Sergey Brin, Alan Turing, Charles Babbage, Lady Augusta Ada

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture