Walker, Roger S. Understanding computer science / by Roger S. Walker ; managing editor, Gerald Luecke ; editor, Charles W. Battle. - Dallas, Tex. : Texas Instruments Learning Center, c1981. - 275 p. in various pagings : ill. ; 21 cm. - Understanding series . Includes index. Bibliography: p. B1-2. ISBN: 0895120461 (pbk.) LCCN: 81051208 Subjects--Topical Terms: Computer science. LC Class. No.: QA76.W186 / .W186 Dewey Class. No.: 001.64