ocr: A primitive computer. a > e Actually, early personal Computers were soMewhat similar to this. They had switches to set individual bits. After the computing was done, the user had to read the lights which also represented bits. They did not have keyboards or video displays (or printers, Modems or any of that fancy stutt). Page 11 Copyright C, 1991, Chester Langin, 532 W. - 3rd St., Centralia, IL 62801, All rights reserved.