00866nam a2200265 a 4500 22082 20230531230620.0 110223s2010 us m a001 0 eng d 9780070184992 0070184992 QA76.5 W721 2010 Williams, Brian K., 1938- 16951 Using information technology : a practical introduction to computers & communications / Brian K. Williams, Stacey C. Sawyer. 8th ed. Boston : McGraw-Hill/Higher Education, c2010. 30781 xxiv, 563 p. : ill. Includes bibliographical references and index. Computers. 30784 Telecommunication Systems. 30785 Information technology. 30786 Sawyer, Stacey C. 30783 BK 22082 sc 22082 22082