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HP 200A Audio Oscillator
Computer History Museum
They use this equpiment for testing for engineers.
Also Walt Disney Pictures ordered eight of the 200B model to use as sound effects generators, for some of there later movies in the 1940s -
The Complex Number Calculator
Computer History MuseumBell Telephone Laboratories completed this calculator,but was designed by researcher George Stibitz.In 1940 they demonstrated the calculator at an American Mathematical Society conference held at Dartmouth College.
It was remotely consider that this is the first demonstration of remote access computing. -
Konrad Zuse
Computer History Museum
This was a early computer built by German engineer Konrad Zuse.The original Z3 was destroyed in a bombing raid of Berlin in late 1943.Using 2,300 relays, the Z3 used floating point binary arithmetic and had a 22-bit word length. -
The Atanasoff-Berry Computer
Computer History Museum
Built at Iowa State College.The ABC was designed and built by Professor John Vincent. -
Whirlwind installation at MIT
Computer History Museum
During World War II,they talked about building a flight simulator to train bomber crews. The team first built a large analog computer, but found it inaccurate.decided on building a digital computer. -
Harvard Mark-I in use, 1944
Computer History Museum
Designed and built by IBM,The machine had a fifty-foot long camshaft that synchronized the machine’s thousands of component parts. -
John von Neumann
Computer History Museum
Which he outlined the architecture of a stored-program computer.
Electronic storage of programming information and data eliminated.For Advanced Studies computer and its copies around the world. -
ENIAC
Computer History Museum
Improved by 1,000 times on the speed of its contemporaries.
Built by John Mauchly -
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ERA 1101 drum memory
Computer History Museum
First commercially produced computer.
The earliest magnetic storage devices.
