This is topic Tube memory with blinkenlights in forum Hardware, Robots, AI, Geek Toys! at The Geek Culture Forums!.


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Posted by GrumpySteen (Member # 170) on August 22, 2012, 13:18:
 
I was looking for something else and stumbled across this.


The smaller capacity 256-bit (128 by 2 bits) "production" device was in a similar vacuum tube envelope. It was built with two storage arrays of discrete "eyelets" on a rectangular plate, separated by a row of eight cathodes. This version included visible green phosphors in each eyelet so that the bit status could also be read manually.

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Imagine a wall full of those in operation.
 
Posted by quantumfluff (Member # 450) on August 22, 2012, 23:18:
 
Awesome.
And here I am, wearing my Tube Rock shirt today.
 
Posted by zorgon (Member # 546) on August 27, 2012, 16:52:
 
Tubes do, indeed, rock.
 


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