15 Nov
2007
15 Nov
'07
12:36 a.m.
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.
Cheers,
Chuck