examples of non-crystal based clocks in digital computing?

Ben Greenfield ben at cogs.com
Sun Mar 13 05:32:37 EDT 2016

Hey All,

I have one simple specific question, without a simple answer and general call for examples.	

I’m researching timing clocks used in general purpose digital computing. I’m starting to think that Ace/Pilot Ace by Alan Turing is the start of clock based general purpose computers. I’m starting to conclude the earlier computers were all basically clocked by the media holding the instructions.

Is this correct? 

I’m currently looking for examples of general purpose computers that do not use crystal based clocks.

Any thoughts appreciated.


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