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The Atanasoff-Berry Computer or ABC was the first electronic computer. It was designed and built by John Vincent Atanasoff and his assistant, Clifford E. Berry.
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The Z1 was fully mechanical, there was no electricity involved. It consisted of over 30,000 metal parts. Today the Z1 is considered to be the first binary programmable computer.
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The result was ENIAC or The Electronic Numerical Integrator and Computer, built between 1943 and 1945 was the first largescale computer to run at electronic speed without being slowed by any mechanical parts.
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EDSAC or The Electronic Delay Storage Automatic Calculator, the first full size stored program computer, built at the University of Cambridge, by Maurice Wilkes, to provide a formal computing service for users.
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The IBM 701 Defense Calculator was IBM's first production computer. It was designed primarily for scientific calculation.
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The development of Whirlwind I, one of the first large scale high speed computers, began during World War II as part of a research project to design a universal flight trainer that would simulate flight.
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The TX-0 computer was an early transistorized computer developed at MIT's Lincoln Laboratory.
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The PDP-1 was, the first effective, elegant mini-computer.
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The Xerox Alto was the first computer designed from its inception to support an operating system based on a graphical user interface, later using the desktop metaphor.
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The Altair 8800 from MITS of Albuquerque, is considered by many to be the first "personal computer" a computer that is easily affordable and obtainable.
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An IBM typewriter, the 5100 Portable Computer was announced by the company's General Systems Division in September 1975.
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Apple produced the first computer with a typewriter-like keyboard and the ability to connect to a regular TV as a screen.
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he first portable computer was created in April 1981 by a company called Osborne.
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The Compaq Portable was the first 100% compatible IBM computer clone.
