Shelly, Gary B. Computer fundamentals for an information age / Gary B. Shelly and Thomas J. Cashman. - Brea, CA : Anaheim Pub., 1984. - 491 p. in various pagings : ill. (some col.) ; 28 cm. Includes index. ISBN: 0882361252 (pbk.) Subjects--Topical Terms: Computers.Electronic data processing.