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It was designed and invented by John Blankenbaker of Kenbak Corporation in 1970, and was first sold in early 1971. Unlike a modern personal computer, the Kenbak-1 was built of small-scale integrated circuits, and did not use a microprocessor. The system first sold for US$750. Only 44 machines were ever sold, though it's said 50 to 52 were built.
PC-MOS/386; Topaz [38] – semi-distributed OS for DEC Firefly workstation written in Modula-2+ and garbage collected; Windows 2.0; 1988 A/UX (Apple Computer) AOS/VS II (Data General) CP/M rebranded as DR-DOS; Flex machine – tagged, capability machine with OS and other software written in ALGOL 68RS; GS/OS; HeliOS 1.0
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.
It was designed and invented by John Blankenbaker of Kenbak Corporation in 1970, and was first sold in early 1971. Unlike a modern personal computer, the Kenbak-1 was built of small-scale integrated circuits, and did not use a microprocessor. The system first sold for US$750. Only 44 machines were ever sold, though it's said 50 to 52 were built.
R2E CCMC Portal laptop. The portable microcomputer "Portal", of the French company R2E Micral CCMC, officially appeared in September 1980 at the Sicob show in Paris.The Portal was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E Micral in 1980 at the request of the company CCMC specializing in payroll and accounting.
Persian astronomer Abi Bakr of Isfahan invented a brass astrolabe with a geared calendar movement based on the design of Abū Rayhān al-Bīrūnī's mechanical calendar analog computer. [12] Abi Bakr's geared astrolabe uses a set of gear-wheels and is the oldest surviving complete mechanical geared machine in existence. [13] [14] 1300
Obsolete technology website — Information about many old computers. old-computers.com — Web Site dedicated to old computers. oldcomputer.info — Web site with information about many old computers. History of Computers — online magazine featuring pictures and information about many computers made between the 1970s and the early 1990s
The oldest known recordings of computer generated music were played by the Ferranti Mark 1 computer. The Mark 1 is a commercial version of the Manchester Mark 1 machine from the University of Manchester. The music program was written by Christopher Strachey. 1951: US EDVAC (electronic discrete variable computer). The first computer to use ...