Vintage Computer Festival <vcf(a)siconic.com> wrote:
If you mean a
clock that maintains time when power is off or gets the time
by radio then we are probably into the micro era.
Yes.
But I can't imagine there was not a real-time clock (i.e. as described
above) as at least an option for an earlier computer system.
VAX Architecture Reference Manual requires every VAX to have one,
and they all indeed do starting with the 11/780. Was the 780
introduced in 1978 or 1979? In any case it was designed in the late
1970s.
MS