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Mass. 700 pounds (320 kg) The Atanasoff–Berry computer (ABC) was the first automatic electronic digital computer. [1] Limited by the technology of the day, and execution, the device has remained somewhat obscure. The ABC's priority is debated among historians of computer technology, because it was neither programmable, nor Turing-complete. [2]
A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry. While the history of mechanical aids to computation goes back centuries, if not millennia, the history of vacuum tube computers is confined to the middle of the 20th century. Lee De Forest invented the triode in 1906.
1973–1980: Hardware foundations and CP/M. 1980–1995: Important events in DOS history. 1995–2000: Windows 9x era. 2001–2022: Post-millennium. See also. Notes. References. Timeline of DOS operating systems. This article presents a timeline of events in the history of 16-bit x86 DOS -family disk operating systems from 1980 to present.
The Kenbak-1, released in early 1971, is considered by the Computer History Museum to be the world's first personal computer. 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 ...
John Vincent Atanasoff OCM (October 4, 1903 – June 15, 1995) was an American physicist and inventor credited with inventing the first electronic digital computer. [1] Atanasoff invented the first electronic digital computer in the 1930s at Iowa State College (now known as Iowa State University). Challenges to his claim were resolved in 1973 ...
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The history of the graphical user interface, understood as the use of graphic icons and a pointing device to control a computer, covers a five-decade span of incremental refinements, built on some constant core principles. Several vendors have created their own windowing systems based on independent code, but with basic elements in common that ...
Pravetz 82 - is one of the first Pravetz Computers, PC, that were named so to be clear to be the Personal Computers, PC in Bulgaria, 82 is the model year. BASIC interpreter, RAM/ROM - 48/12 KB; CPU Synertek 6502 /1 MHz. The storage is improved due to the availability of (optional) 5.25" floppy disk drive (s).