Data were written on the screen by gating an electron beam on and off, creating a grid of dim and bright spots (0s and 1s). The visibility of the spots was not read by a person, rather the ...

I was buying a new laptop the other day and had to make a choice between 4GB of memory and 8. I can remember how big a deal it was when a TRS-80 went from 4K (that’s .000004 GB, if you are ...

His recent video (see below) shows a radechon — a computer memory tube. These were apparently widely used in RADAR sets until recently and has some similarity to a Williams tube. The tube is ...