Williams, Brian K., 1938- Using information technology : a practical introduction to computers & communications : Complete version / Brian K. Williams, Stacey C. Sawyer. - 9th ed. - New York, NY : McGraw-Hill, c2011. - xxviii, 577 p. : col. ill. ; 28 cm. Includes bibliographical references and index. ISBN: 9780073516776 (alk. paper) 0073516775 (alk. paper) LCCN: 2009048461 Subjects--Topical Terms: Computers.Telecommunication systems.Information technology. LC Class. No.: QA76.5 / .W5332 2011 Dewey Class. No.: 004/ / WIL