computer name for the electronic and mechanical devices that make up a computer, including (1) the CENTRAL PROCESSING UNIT (CPU); (2) CATHODE-RAY TUBE (CRT) devices for both input and output; (3) printers; (4) disk drives; (5) magnetic-tape units; (6) punched-card readers; (7) the console-control board for the computer; (8) keyboard; and (9) modem.