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500
Abacus
A device for making arithmetic calculations. -
Holes in Cards
a card perforated according to a code, for controlling the operation of a machine, used in voting machines and formerly in programming and entering data into computers. 1725 -
The Analytical Machine
was a proposed mechanical general-purpose computer designed by English mathematician and computer pioneer Charles Babbage. -
UNIVAC
First commercial computer -
Von Neumann Architecture
Von Neumann Architecture is a computer architecture based on that described in 1945 by the mathematician and physicist John von Neumann -
ENIAC
was the world's first general-purpose computer in the US -
High-level programing language
A machine-independent programming language -
UNIX Operating System
UNIX Operating System is a family of multitasking, multi user computer operating systems that derive from the original AT&T Unix -
Altair
First microcomputer -
PC
is a small, relatively inexpensive computer designed for an individual user -
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First Electronic Spreadsheet
computerise the traditional layout of any tabulation or complex calculation done with pencil, paper and calculator -
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CRAY-1
CRAY-164-bit machine with a peak speed of 160 megaFLOPS, making it the world's fastest vector processor
