Search results
Results From The WOW.Com Content Network
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.
Vacuum-tube computers, now called first-generation computers, [1] are programmable digital computers using vacuum-tube logic circuitry. They were preceded by systems using electromechanical relays and followed by systems built from discrete transistors. Some later computers on the list had both vacuum tubes and transistors.
The Gamma 3 was an early electronic vacuum-tube computer.It was designed by Compagnie des Machines Bull in Paris, France and released in 1952.. Originally designed as an electronic accelerator for electromechanical tabulating machines, similar to the IBM 604, it was gradually enhanced with new features and evolved into a first-generation stored program computer (Gamma AET, 1955, then ET, 1957).
Whirlwind I was a Cold War-era vacuum-tube computer developed by the MIT Servomechanisms Laboratory for the U.S. Navy.Operational in 1951, it was among the first digital electronic computers that operated in real-time for output, and the first that was not simply an electronic replacement of older mechanical systems.
This first-generation computer had 6200 vacuum tubes and 60,000 semiconductor diodes. Strela's speed was 2000 operations per second. Its floating-point arithmetic was based on 43-bit floating point words, with a signed 35-bit mantissa and a signed 6-bit exponent. Operative Williams tube memory (RAM) had 2048 words.
Pegasus was an early British vacuum-tube (valve) computer built by Ferranti Ltd that pioneered design features to improve usability for both engineers and programmers. [ 1 ] [ 2 ] [ 3 ] It was originally named the Ferranti Package Computer as its hardware design followed that of the Elliott 401 with modular plug-in packages. [ 4 ]
Colossus is thus regarded [2] as the world's first programmable, electronic, digital computer, although it was programmed by switches and plugs and not by a stored program. [ 3 ] Colossus was designed by General Post Office (GPO) research telephone engineer Tommy Flowers [ 1 ] based on plans developed by mathematician Max Newman at the ...
Vacuum tubes used in early computers. Pages in category "Computer vacuum tubes" The following 3 pages are in this category, out of 3 total.