Home Computers: A Manual of Possibilities

arithmetic base-eight base-ten base-two binary numbers button byte called capacitor CARRIAGE RETURN cathode ray tube central processing unit characters chip circuitry clock cost count cycles d.c. voltages devices digit eight bits electric electronic memory ENIAC floppy disk frequency function gram home computer input instructions integrated circuit interface Jane keyboard letter line number line-numbered logical loop machine magnetic mainframe manufacturers Memory location monitor motherboard move multiply operation output personal computers play plug PRINT command printer Program counter Program counter connected puter Qubic random number random-access memory read-only memory recipe screen sequence signals space speed statement stop storage subroutine subtraction switch tape recorder telephone television terminal time-sharing tion transistor truth table turn typewriter UART vacuum tubes variable VIDEO wires word write zero