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On 18/05/2010 12:36 PM, Invisible wrote:
> Stephen wrote:
>
>> When I started working in computing in 1969, the Honeywell H416 then
>> later H316
>
> Oh yes - apparently Honeywell used to make computers...
Yes the ones I worked on were for process control and they had core
memory. Ferrite rings threaded with address wires and read write wires,
by hand. The H316 could have 4 K of memory.
> Does the tape have a single row of holes? Or does it have multiple
> parallel rows? How easy is it to tear the stuff?
>
Parallel rows, one traction hole at twice the pitch of the data holes
and seven or eight data holes depending on the parity.
>> After the loader tape was read you then read the program using the
>> paper tape reader. Only then could you enter any data.
>
> From tape or card, presumably?
Yes or from sense switches from the process it controlled.
>
>> In 1976 Burroughs Machines were manufacturing 96 column card readers.
>
> I gather Burroughs got bought to form Unisys?
>
After my time.
>> The first computer I ever saw was in 1997 at Glasgow University. It
>> was an analogue machine that used valves.
>
> 1997? o_O
Oops! 1967 :-)
--
Best Regards,
Stephen
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