Shelly, Gary B. Discovering computers 2008 brief Gary B. Shelly, Thomas J. Cashman, Misty E. Vermaat. - Boston, MA Thomson c2008. - xxiii, 456, (8), (12) p. ill. 28 cm. - Shelly Cashman series . Includes index. ISBN: 9781423912033 78.00 Subjects--Topical Terms: ComputersComputer networksComputer science