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Manchester Mark 1

June 1948, Manchester, UK

 

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Manchester Mark I, origin picture unknown

Description
NewMan, Williams and his team finish a prototype called the Manchester Mark I. This machine has a new type of memory composed of cathode vacuum tubes stroing one bit of information on a crt illuminating a point on the screen that stays on. To read out the result it suffices to measure the voltage with a electrode placed at the other side of the sdreen! The Mark I thus has a memory of 1024 bits in one single tube.
The Mark I was programmed binary from a programme stored in memoryand the results were read on another 'binary' tube. This machine was one of the first binary computers.

 

Specifications

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Go Back Last Updated on May 12, 2003 For suggestions please mail the editors 


Footnotes & References

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