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Flyable TRADIC was used to establish the feasibility of using an airborne solid-state computer as the control element of a bombing and navigation system. Leprechaun [6] [7] [8] was a second-generation laboratory research transistor digital computer designed to explore direct-coupled transistor logic (DCTL). The TRADIC Phase One computer was ...
A transistor computer, now often called a second-generation computer, [1] is a computer which uses discrete transistors instead of vacuum tubes. The first generation of electronic computers used vacuum tubes, which generated large amounts of heat, were bulky and unreliable.
Similarly, indirect addressing became more common in the second generation, either in conjunction with index registers or instead of them. While first-generation computers typically had a small number of index registers or none, several lines of second-generation computers had large numbers of index registers, e.g., Atlas, Bendix G-20, IBM 7070.
After the second world war he established the Computing Machine Laboratory at the University of Manchester where he created the project that built the world's first stored-program computer, the Manchester Baby. 1962 Nygaard, Kristen: With Ole-Johan Dahl, invented the proto-object oriented language SIMULA. 1642 Pascal, Blaise
The second generation "TRADIC" (Transistorized Digital Computer), first to use only transistors therefore much smaller and more powerful than its predecessor tube computers. The Briton Narinder Singh Kapany investigated the propagation of light in fine glass fibers (optical fibers).
Computers built after 1972 are often called fourth-generation computers, based on LSI (Large Scale Integration) of circuits (such as microprocessors) – typically 500 or more components on a chip. Later developments include VLSI (Very Large Scale Integration) of integrated circuits 5 years later – typically 10,000 components.
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. English mathematician, philosopher, and engineer (1791–1871) "Babbage" redirects here. For other uses, see Babbage (disambiguation). Charles Babbage KH FRS Babbage in 1860 Born (1791-12-26) 26 December 1791 London, England Died 18 October 1871 (1871-10-18) (aged 79) Marylebone, London ...
Making use of a NeXT computer, English computer scientist Tim Berners-Lee invented the World Wide Web in 1990 at CERN in Switzerland. [126] The revised, second generation NeXTcube was released in 1990. Jobs touted it as the first "interpersonal" computer that would replace the personal computer.