3 ms·
My dad used to tell me that the first computers he programmed had a front panel with toggle switches and LEDs showing the binary content of the program counter
by SoftTalker 1y ago
My dad used to tell me that the first computers he programmed had a front panel with toggle switches and LEDs showing the binary content of the program counter and some other status values and he could tell by the activity on the LEDs whether the program was running normally.