Components of a Computer System. ... central processing unit and random access memory, install to the connectors on the surface of the board, found inside the case.

In 1969, the IBM Schools Computer System Unit was developed. Though it never reached commercial release, ten were made, and they were deployed to pilot schools.

So large that it had to be moved by forklift and transported by plane, the original 305 RAMAC computer system could be housed in a room of about 9×15 meters. The 350 disk storage unit itself measured ...