Eniac
A full timeline is very hard to piece together and would likely be hundreds of pages long. However I will make an attempt at touching some highlights:1822, Difference Engine #1, London England, special purpose mechanical digital computer (never built).1837, Analytical Engine, London England, programmable mechanical digital computer (never built).1849, Difference Engine #2, London England, special purpose mechanical digital computer (not built until 1991 by the London Science Museum).1931, Bush Differential Analyzer, MIT, programmable mechanical analog computer.1931, Mark XV Norden Bombsight, Carl L. Norden Company, special purpose electromechanical analog computer (gravity bomb fall solution).1938, Zuse Z1, Germany, programmable mechanical digital computer (floating point).1941, Zuse Z3, Germany, programmable electromechanical digital computer (floating point).1942, ABC, University of Iowa Ames Iowa, special purpose electronic digital computer (array/vector processor solving simultaneous equations up to 29 variables).1943, Torpedo Data Computer (TDC) Mark IV, Arma Corporation, special purpose electromechanical analog computer (submarine torpedo aiming solution).1944, Colossus Mark I, Bletchley Park, programmable electronic digital computer (cryptanalytic).1944, Harvard Mark I, Harvard, programmable electromechanical digital computer.1945, Zuse Z4, Germany, programmable electromechanical digital computer (floating point).1946, ENIAC, University of Pennsylvania Philadelphia Pennsylvania, programmable electronic digital computer.1948, Manchester Baby, Victoria University of Manchester, programmable electronic digital computer (first computer built using a stored program).1949, CSIRAC, Australia, programmable electronic digital computer.1951, UNIVAC I, Remington Rand, programmable electronic digital computer.1951, UNIVAC 1101, Remington Rand, programmable electronic digital computer.1952, IBM 701, IBM, programmable electronic digital computer.1953, IBM 702, IBM, programmable electronic digital computer.1953, UNIVAC 1103, Remington Rand, programmable electronic digital computer.1953, IBM 650, IBM, programmable electronic digital computer.1954, IBM 704, IBM, programmable electronic digital computer (first US computer w/ floating point).1954, IBM NORC, IBM, programmable electronic digital supercomputer (usually credited as being the first supercomputer).1956, IBM 705 Model I, IBM, programmable electronic digital computer.1956, IBM 305 RAMAC, IBM, programmable electronic digital computer (w/ the first harddisk, the IBM 350).1957, UNIVAC 1104, Remington Rand, ruggedized programmable electronic digital computer (designed for the BOMARC missile but never used, replaced by a version of the AN/USQ-20, designated the G-40).1958, AN/FSQ-7, IBM, programmable electronic digital computer (part of the air force's SAGE air defense system, the largest computer ever built).1959, DEC PDP-1, DEC, programmable electronic digital computer (the first computer sold that focused on user interaction rather than just efficient use of computer time).1960, UNIVAC LARC, Sperry Rand, programmable electronic digital supercomputer (designed as a dual CPU computer but neither of the 2 systems built had the second CPU).1961, IBM 7030 Stretch, IBM, programmable electronic digital supercomputer, failed to meet its ambitious performance goals (100 times the speed of an IBM 704) so considered a failure and withdrawn from production with only 9 machines built, however it introduced many concepts and features present in many modern computers: the byte, memory protection, generalized interrupts, cache memory, instruction pipelining, prefetch and decoding, memory bank interleaving, etc.1961, AN/USQ-20, Sperry Rand, ruggedized programmable electronic digital computer.1962, UNIVAC 1107, Sperry Rand, programmable electronic digital computer.1962, D-17B the Minuteman I missile guidance computer, Autonetics Division of North American Aviation, ruggedized programmable electronic digital computer.1964, IBM System 360, IBM, programmable electronic digital computer.1964, CDC 6600, Control Data Corporation, programmable electronic digital supercomputer, with over 600 systems built it is considered to be the first mass produced supercomputer.1964, D-37C the Minuteman II missile guidance computer, Autonetics Division of North American Aviation, ruggedized programmable electronic digital computer.1965, DEC PDP-8, DEC, programmable electronic digital computer (several versions small enough to fit on a desktop).1966, Apollo Guidance Computer (AGC), MIT Instrumentation Laboratory, ruggedized programmable electronic digital computer (moon landings).1971, IBM System 370, IBM, programmable electronic digital computer (used writable microcode storage, introduced the first floppy disc as a method of loading this microcode storage with microinstructions when the machine was turned on).1971, Intel 4004, Intel, first microprocessor available to the public.1974, STAR-100, Control Data Corporation, programmable electronic digital supercomputer (vector processor).1976, Cray-1, Cray Research, programmable electronic digital supercomputer (vector processor).1977, DEC VAX, DEC, programmable electronic digital computer (usually considered the pinnacle of the CISC architecture machines).
the first known computer, a mechanical analog computer, was invented and built circa 100BCthe first digital computer, a programmable mechanical decimal computer, was invented circa 1840 but never builtthe first electronic digital computer, an electronic binary computer, was invented circa 1936 and built in 1942. it was dismantled later that yearthe first programmable electronic digital computer, was invented in 1943 and 11 of them in 2 different models were built between 1944 and the end of the war in Europe. this is the only digital computer built built in a quantity greater than 1 until the early 1950sthe first stored program electronic digital computer, was built in 1948 based on a variety of concepts invented between 1936 and 1946. all modern digital computers are derivatives of this architecture
when did Tommy Flowers invented "Colossus", the world's first electronic, digital, programmable computer.
The first electronic digital computer was built in 1942. Called the ABC it was built in Ames, IA by John Vincent Atanasoff & Clifford Berry.The first programmable electronic digital computer was built in 1943. Called Colossus Mark I it was built by Thomas Flowers and a team at the Dolis Hills lab of the British Post Office for Bletchley Park. Through 1944 and 1945 up to the end of the war in Europe 10 more Colossus Mark IIimproved models that used parallel processing to run 5 times faster were built.The first programmable electronic digital computer using a stored program (like all modern computers) was built in 1948. Called the Manchester Baby.
Geoff Bostock has written: 'Programmable logic handbook' -- subject(s): Programmable logic devices, Electronic digital computers, Logic design
Eniac
A computer is defined as: A device that computes, especially a programmable electronic machine that performs high-speed mathematical or logical operations or that assembles, stores, correlates, or otherwise processes information. So, technically yes, they are both computers.
A full timeline is very hard to piece together and would likely be hundreds of pages long. However I will make an attempt at touching some highlights:1822, Difference Engine #1, London England, special purpose mechanical digital computer (never built).1837, Analytical Engine, London England, programmable mechanical digital computer (never built).1849, Difference Engine #2, London England, special purpose mechanical digital computer (not built until 1991 by the London Science Museum).1931, Bush Differential Analyzer, MIT, programmable mechanical analog computer.1931, Mark XV Norden Bombsight, Carl L. Norden Company, special purpose electromechanical analog computer (gravity bomb fall solution).1938, Zuse Z1, Germany, programmable mechanical digital computer (floating point).1941, Zuse Z3, Germany, programmable electromechanical digital computer (floating point).1942, ABC, University of Iowa Ames Iowa, special purpose electronic digital computer (array/vector processor solving simultaneous equations up to 29 variables).1943, Torpedo Data Computer (TDC) Mark IV, Arma Corporation, special purpose electromechanical analog computer (submarine torpedo aiming solution).1944, Colossus Mark I, Bletchley Park, programmable electronic digital computer (cryptanalytic).1944, Harvard Mark I, Harvard, programmable electromechanical digital computer.1945, Zuse Z4, Germany, programmable electromechanical digital computer (floating point).1946, ENIAC, University of Pennsylvania Philadelphia Pennsylvania, programmable electronic digital computer.1948, Manchester Baby, Victoria University of Manchester, programmable electronic digital computer (first computer built using a stored program).1949, CSIRAC, Australia, programmable electronic digital computer.1951, UNIVAC I, Remington Rand, programmable electronic digital computer.1951, UNIVAC 1101, Remington Rand, programmable electronic digital computer.1952, IBM 701, IBM, programmable electronic digital computer.1953, IBM 702, IBM, programmable electronic digital computer.1953, UNIVAC 1103, Remington Rand, programmable electronic digital computer.1953, IBM 650, IBM, programmable electronic digital computer.1954, IBM 704, IBM, programmable electronic digital computer (first US computer w/ floating point).1954, IBM NORC, IBM, programmable electronic digital supercomputer (usually credited as being the first supercomputer).1956, IBM 705 Model I, IBM, programmable electronic digital computer.1956, IBM 305 RAMAC, IBM, programmable electronic digital computer (w/ the first harddisk, the IBM 350).1957, UNIVAC 1104, Remington Rand, ruggedized programmable electronic digital computer (designed for the BOMARC missile but never used, replaced by a version of the AN/USQ-20, designated the G-40).1958, AN/FSQ-7, IBM, programmable electronic digital computer (part of the air force's SAGE air defense system, the largest computer ever built).1959, DEC PDP-1, DEC, programmable electronic digital computer (the first computer sold that focused on user interaction rather than just efficient use of computer time).1960, UNIVAC LARC, Sperry Rand, programmable electronic digital supercomputer (designed as a dual CPU computer but neither of the 2 systems built had the second CPU).1961, IBM 7030 Stretch, IBM, programmable electronic digital supercomputer, failed to meet its ambitious performance goals (100 times the speed of an IBM 704) so considered a failure and withdrawn from production with only 9 machines built, however it introduced many concepts and features present in many modern computers: the byte, memory protection, generalized interrupts, cache memory, instruction pipelining, prefetch and decoding, memory bank interleaving, etc.1961, AN/USQ-20, Sperry Rand, ruggedized programmable electronic digital computer.1962, UNIVAC 1107, Sperry Rand, programmable electronic digital computer.1962, D-17B the Minuteman I missile guidance computer, Autonetics Division of North American Aviation, ruggedized programmable electronic digital computer.1964, IBM System 360, IBM, programmable electronic digital computer.1964, CDC 6600, Control Data Corporation, programmable electronic digital supercomputer, with over 600 systems built it is considered to be the first mass produced supercomputer.1964, D-37C the Minuteman II missile guidance computer, Autonetics Division of North American Aviation, ruggedized programmable electronic digital computer.1965, DEC PDP-8, DEC, programmable electronic digital computer (several versions small enough to fit on a desktop).1966, Apollo Guidance Computer (AGC), MIT Instrumentation Laboratory, ruggedized programmable electronic digital computer (moon landings).1971, IBM System 370, IBM, programmable electronic digital computer (used writable microcode storage, introduced the first floppy disc as a method of loading this microcode storage with microinstructions when the machine was turned on).1971, Intel 4004, Intel, first microprocessor available to the public.1974, STAR-100, Control Data Corporation, programmable electronic digital supercomputer (vector processor).1976, Cray-1, Cray Research, programmable electronic digital supercomputer (vector processor).1977, DEC VAX, DEC, programmable electronic digital computer (usually considered the pinnacle of the CISC architecture machines).
One of the first programmable computers built was Vannevar Bush's Differential Analyzer at MIT. But it was analog and mechanical with electronic torque amplifiers. It was finished around 1930. The first programmable electronic digital computer was a Tommy Flower's Colossus at Bletchley Park. But it was classified and the public knew nothing of it. It was finished early in June 1944, followed by nine more before the end of WW2. The first programmable electronic digital computer that the public was aware of was John Mauchley's and Presper Eckert's ENIAC. It was finished late in November 1945. However its programming system was based on the Differential Analyzer and was a dead end that no later digital computer used. The first programmable electronic digital computer with a "modern" architecture was a prototype machine called the Manchester Baby. This lead to the design of the Manchester Mark I, which was commercialized by Ferranti, becoming the first programmable electronic digital computer that was sold in quantity in the UK, the Ferranti Mark I. The first programmable digital computer that was sold in quantity in the US was the Remington UNIVAC I, designed by John Mauchley and Presper Eckert. It became known among the public when it correctly predicted the results of the 1952 presidential election. There were many other computers that I cannot list here.
Most of the early work that lead to the modern programmable electronic digital computer was prompted by military needs in WW2. IBM was prompted into developing their first commercially available programmable electronic digital computer, the IBM 701, by the Korean War. The Cold War in general prompted many developments in miniaturization of digital computers, especially for military avionics and missile guidance systems. Any specific war you were thinking of?
Included in this industry are digital computers, analog computers, and hybrid digital/analog computers.
AND array is used for developing digital circuit it is used in PLA programmable logic array and PAL programmable array of logic to implement the function. the number of and array will depend on how long you has function to be implemented.These are Digital circuits.
Digital computers are purely digital, i.e. they use digital(electronic) means to process data. Hybrid computers conversely use both digital and analog technologies.
AND array is used for developing digital circuit it is used in PLA programmable logic array and PAL programmable array of logic to implement the function. the number of and array will depend on how long you has function to be implemented.These are Digital circuits.
Charles V. L. Smith has written: 'Electronic digital computers' -- subject(s): Electronic digital computers
No, the following digital computers preceded ENIAC: Harvard Mark I, ABC, Zuse Z1 & Z2 & Z3, Colossus Mark 1 & Mark 2. Also many analog computers preceded these.However ENIAC was the first general purpose programmable electronic digital computer.