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The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Glenn A. Beck (background) and Betty Snyder (foreground) program ENIAC in BRL building 328. (U.S. Army photo, c. 1947–1955) ENIAC (/ ˈ ɛ n i æ k /; Electronic Numerical Integrator and Computer) [1] [2] was the first programmable, electronic, general-purpose digital computer, completed in 1945.
The Harwell computer, or Harwell Dekatron computer, [1] [2] later known as the Wolverhampton Instrument for Teaching Computing from Harwell (WITCH), [3] is an early British computer of the 1950s based on valves and relays.
The PC series (5150 PC, 5155 Portable PC, 5160 PC/XT, 5170 PC/AT) has become very popular in recent years, with the earliest models (PC) being considered the most collectible. BBC Master with Retro Software games at the Wakefield RISC OS Show 2011
PC-8000 series: Z80: 1979: RGB Monitor: Cassette, later models with floppy diskettes, Japan NEC: PC-8800 series: Z80: 1981: RGB Monitor: Cassette, later models with floppy diskettes, Several models, also called PC-88 [citation needed] Japan NEC: PC-9800 series: 8086: 1982: RGB Monitor: floppy diskettes, diskettes, CD ROM optional: Several ...
Introduction of the Intel 8088, compatible with the 8086 with an 8-bit data bus – but this makes it cheaper to implement in computers. Chosen for the IBM PC, Intel processors were found in millions of IBM PC compatible computers. 1979: UK Commodore PET released in the United Kingdom. Based on a 1 MHz 6502 processor it displayed monochrome ...
Year Country of site Site Vendor / builder Computer Performance R; 1938 Germany Personal research and development Berlin, Germany : Konrad Zuse: Z1: 1.00 IPS [1]1940 Z2: 1.25
As well as first generation computers including the original Harwell Dekatron computer – the world's oldest working digital computer [4] – and Mainframe computers of the 1950s, 60s and 70s, the Museum houses an extensive collection of personal computers and a classroom full of BBC Micros. It is available for corporate, group, school, and ...