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The Computer History in time and space, Graphing Project, an attempt to build a graphical image of computer history, in particular operating systems. The Computer Revolution/Timeline at Wikibooks "File:Timeline.pdf - Engineering and Technology History Wiki" (PDF). ethw.org. 2012. Archived (PDF) from the original on 2017-10-31
SEAC (Standards Eastern Automatic Computer) demonstrated at US NBS in Washington, DC – was the first fully functional stored-program computer in the U.S. May 1950: UK The Pilot ACE computer, with 800 vacuum tubes, and mercury delay lines for its main memory, became operational on 10 May 1950 at the National Physical Laboratory near London.
Third-generation computers were offered well into the 1990s; for example the IBM ES9000 9X2 announced April 1994 [30] used 5,960 ECL chips to make a 10-way processor. [31] Other third-generation computers offered in the 1990s included the DEC VAX 9000 (1989), built from ECL gate arrays and custom chips, [32] and the Cray T90 (1995).
Dartmouth Time-Sharing System (Dartmouth College's DTSS for GE computers) EXEC 8 ( UNIVAC ) KDF9 Timesharing Director ( English Electric ) – an early, fully hardware secured, fully pre-emptive process switching, multi-programming operating system for KDF9 (originally announced in 1960)
Key home computers in the early part of the decade predominantly use processors developed in the 1970s. Versions of the 6502, first released in 1975, powered the Commodore 64, Apple II, BBC Micro, and Atari 8-bit computers. The 8-bit Zilog Z80 (1976) is at the core of the ZX Spectrum, MSX systems and many others.
The first digital electronic computer was developed in the period April 1936 - June 1939, in the IBM Patent Department, Endicott, New York by Arthur Halsey Dickinson. [35] [36] [37] In this computer IBM introduced, a calculating device with a keyboard, processor and electronic output (display). The competitor to IBM was the digital electronic ...
The world's first electronic digital computer, the Atanasoff–Berry computer, was built on the Iowa State campus from 1939 through 1942 by John V. Atanasoff, a professor of physics and mathematics, and Clifford Berry, an engineering graduate student. Konrad Zuse, inventor of the modern computer [55] [56]
Built in just two months around the VIC-II Video Integrated Circuit and the SID Sound Interface Device chips, the C64 used the 6510 processor to access 64K of RAM plus 16K of switchable ROM. This "epitome of the 8-bit computer" sold up to 22 million units in the next decade. February 1982 US On February 1 the 80286 processor was released.
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