Sawyer, Stacey C. Using information technology : a practical introduction to computer & communications : introductory version / Stacey C. Sawyer, Brian K. Willliams - 6th ed. - Boston : McGraw Hill/Technology Education, c2005. - xxi, 113 p. : ill. ; 27 cm. Includes index. ISBN: 0072882905 Subjects--Topical Terms: Computers. Dewey Class. No.: 004