Sinha, P. K. Computer fundamentals : concepts systems and applications / P. K. Sinha & Priti Sinha. - 4th ed. - New Delhi : BPB Publications, 2003. - xxi, 404 p. : ill.; 25 cm. Includes index. ISBN: 8176567523 Subjects--Topical Terms: Computers. Electronic digital computers. Dewey Class. No.: 004 / SIC