>>> Was there ever a time when programs were entered into memory via
>>> switches rather than some other medium?
>>
>> I do that all the time :-)
>
> *sigh*
:-D
> I ment where you have a bank of switches to select a memory address, and a
> second bank of switches to select what datum to write there.
I did that at university. We had a hex keypad to write machine code
instructions to RAM. IIRC we had to write a program to do some thermostat
control of a heater or something - extra marks for proportional control.
But then this was just part of the CPU course to get us familiar with
instructions and stuff.
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