Long, Larry E. Computers : information technology in perspective / Larry Long, Nancy Long. - 9th ed. - 1 v. (various pagings) : ill. (some col.) ; 28 cm. Includes index. ISBN: 0130929808 LCCN: 2001024579 Subjects--Topical Terms: ComputersElectronic data processing LC Class. No.: QA76 / .L576 2002c