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Pascaline
Calculater invented by Blaise Pascal -
Period: to
History of Computers
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Stepped Reckoner Invented by Leibnitz
Calculator-Add, Subtract, Multiply, and Divide -
Jacquardes Loom (punched cards)
He was a weaver -
Charles Babbage (Difference and Analytical Engine)
Father of modern computers -
Lady Lovelace
Worked with Babbage; First comp. programmer -
Herman Hollerith's Electronic Tabulating Machiene
Helped the Cencus -
Vacuum tubes (First gen. of Computers)
Leede Forest; Audion -
The Atanasoft Berry Computer (ABC)
1st Electronic digital computer -
Harvards Mark 1; Howard Aiken
Automatic Sequence Controlled calculator -
Dr. Grace Murray Hopper
First "bug" found in computer; worked with Aoward Aiken -
ENIAC
Eckert and Mauchly Penn. University; ENIAC was huge but only prosessed small data -
Transistor (second gen. of computers)
William Shockley -
Integrated circuit (Third gen. of computers
Jack Kibly; Microchip -
Microprocessor (Fourth gen. of computers)
M.E. Tedd Hoff -
Floppy Disc
Alan Schugart and IBM; Nicknamed Floppy for its flexibility -
Ethernet
Robet Metcalfe and Xerox; Networking -
Gary Kildoll
Pioneer in computers, invented the first operating system for microcomputers
