Blissmer, Robert H. Introducing computers : concepts, systems, and applications concepts, systems, and applications / [Book] : Robert H. Blissmer. - New York : Wiley, c1994. - 318 p. : ill. ; 28 cm. Includes index. All. ISBN: 0471306665 Subjects--Topical Terms: Electronic data processing.Computers. Dewey Class. No.: 004