Parker, Charles S., 1945- Understanding computers and data processing : today and tomorrow / Charles S. Parker. - 2nd ed. - New York : Holt, Rinehart, and Winston, 1987. - xxii, 547, [50] p. : ill. (some col.) ; 28 cm. Includes index. ISBN: 0030096243 LCCN: 93132540 Subjects--Topical Terms: Electronic digital computers. LC Class. No.: QA76.5 / .P3178 1987 Dewey Class. No.: 004