Frederick Williams Receives Patent for RAM device

11th December 1946
Frederick Williams Receives Patent for RAM device

A patent is issued for Sir Frederick Williams' device for random-access memory. The Williams tube was a modified cathode-ray tube that painted dots and dashes of phosphorescent electrical charge on a screen representing binary ones and zeros. It became the primary memory for vacuum tube machines such as the IBM 701. Williams developed his device at Manchester University.


 

 

 

 

Frederick Williams Receives Patent for RAM device

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