The Williams-Kilburn Tube

The Williams Tube provided computers with the first random access memory (RAM). It did not require rewiring each time the data was changed, and programming the computer could be achieved in a fraction of the time.

History of the Williams-Kilburn Tube

The successful operation of the Williams-Kilburn CRT Store before other storage systems was the key factor which led to the Manchester group being the first to build a stored-program computer.

The Principle

Discover the dot-dash method for a Williams-Kilburn CRT Store

CRT Store Display

Read how the CRT tube enabled bits to be displayed as phosphor illumination 1s and 0s

Refreshing Process

This CRT's refreshing process explained.