Wells, Dolores Basic computer concepts / - Singapore: Cengage Learning Asia Pte Ltd., c2009. - vii, 471 p. : ill. ; 26 cm. Includes index. ISBN: 9789814272568 Subjects--Topical Terms: 1. Computers-Study and teaching. 2. Computer science. Dewey Class. No.: Circ. 004 W453b 2009