Atanasoff-Berry Computer

**Prof. Dr. Sinsi** · 07-22-2012

* 1

&lt computer&gt (ABC) An early design for a binary calculator, one of the predecessors of the digital computer

The ABC was partially constructed between 1937 and 1942 by Dr

John Vincent Atanasoff and Clifford Berry at Iowa State College

As well as binary arithmetic, it incorporated regenerative memory, parallel processing, and separation of memory and computing functions

The electronic parts were mounted on a rotating drum, making it hybrid electronic/electromechanical

It was designed to handle only a single type of mathematical problem and was not automated

The results of a single calculation cycle had to be retrieved by a human operator, and fed back into the machine with all new instructions, to perform complex operations

It lacked any serious form of logical control or conditional statements

Atanasoff's patent application was denied because he never have a completed, working product

Ideas from the ABC were used in the design of ENIAC (1943-1946)

http://www

cs

iastate

edu/jva/jva-archive

shtml

(2003-09-28)
English Related Words* acorn computer group
* air data computer
* aircraft computer
* analog computer
* analogue computer
* apollo computer
* apple computer
* arbitrary sequence computer
* area control computer complex
* association of computer machinery
* asynchronous computer
* automatic computer
* backup computer
* briefcase computer
* business computer

07-22-2012	#1
Prof. Dr. Sinsi	Atanasoff-Berry Computer * 1&lt computer&gt (ABC) An early design for a binary calculator, one of the predecessors of the digital computer The ABC was partially constructed between 1937 and 1942 by Dr John Vincent Atanasoff and Clifford Berry at Iowa State College As well as binary arithmetic, it incorporated regenerative memory, parallel processing, and separation of memory and computing functions The electronic parts were mounted on a rotating drum, making it hybrid electronic/electromechanical It was designed to handle only a single type of mathematical problem and was not automated The results of a single calculation cycle had to be retrieved by a human operator, and fed back into the machine with all new instructions, to perform complex operations It lacked any serious form of logical control or conditional statements Atanasoff's patent application was denied because he never have a completed, working product Ideas from the ABC were used in the design of ENIAC (1943-1946) http://wwwcsiastateedu/jva/jva-archiveshtml (2003-09-28) English Related Words* acorn computer group * air data computer * aircraft computer * analog computer * analogue computer * apollo computer * apple computer * arbitrary sequence computer * area control computer complex * association of computer machinery * asynchronous computer * automatic computer * backup computer * briefcase computer * business computer