MIT provides MULTICS source and documentation (DPS-8 simulation)

Chuck Guzis cclist at
Wed Nov 14 18:36:33 CST 2007

On 14 Nov 2007 at 15:42, Eric J Korpela wrote:

> It seemed in the late 70s that microprocessor instruction speeds were
> pretty well matched to the memory access time.  4MHz processors and
> 250 ns DRAM   Of course this could be an artifact of the design (the
> processors may have been slowed down from their potential speeds in
> order to match the memory speed).

Microprocessors, yes, but the technology was still very young.  Try 
something mature like big iron--cycle times in the tens of 
nanoseconds.  Memory had a long way to go, then.


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