Along the same lines, this series of videos is one of my favorite things I've run across recently: https://www.youtube.com/watch?v=suyiMfzmZKs&list=PLB3mwSROoJ4

Along the same lines, this series of videos is one of my favorite things I've run across recently: https://www.youtube.com/watch?v=suyiMfzmZKs&list=PLB3mwSROoJ4KLWM8KwK0cD1dhX35wILBj https://www.youtube.com/watch?v=suyiMfzmZKs&list=PLB3mwSROoJ... It starts with using the front panel switches to load a program into an Altair 8800 and progresses into loading programs from external sources including audio cassette and paper tape; loading programs from a ROM; loading and using an OS; and using a paper terminal for output.