The early history of PCs included sending away for a box of parts and a manual and then soldering the pieces together yourself. And then when you put the kit t

The early history of PCs included sending away for a box of parts and a manual and then soldering the pieces together yourself. And then when you put the kit together, there was no software, so you had to write it yourself. Also, there was no keyboard, so you had to input the machine code for your software directly into RAM using toggle switches. And there was no real display, just a few LEDs that you could blink on and off. https://en.wikipedia.org/wiki/Altair_8800#Description https://en.wikipedia.org/wiki/Altair_8800#Description