Using Information technology :
Williams, Brian K.
Using Information technology : a practical introduction to computers and communications :introductory version / Brian K Williams, Stacey C.Sawyer. - 9th ed. - Avenue of the Americas, New York : McGraw Hill, 2011. - c.xxviii, 420 p : col.ill ; cm.
Includes bibliographical references and index.
9780077331085
Computers.
Information technology.
Telecommunication systems.
QA76.5 / .W5332
Using Information technology : a practical introduction to computers and communications :introductory version / Brian K Williams, Stacey C.Sawyer. - 9th ed. - Avenue of the Americas, New York : McGraw Hill, 2011. - c.xxviii, 420 p : col.ill ; cm.
Includes bibliographical references and index.
9780077331085
Computers.
Information technology.
Telecommunication systems.
QA76.5 / .W5332