Tocci, Ronald J. Widmer, Neal S. Digital systems : principles and applications/ Ronald J.Tocci, Neal S.Widmer - 8th ed. - London Prentice-Hall 2001 - xxvi, 881 p. CD-ROM ISBN: 130896411 Subjects--Topical Terms: Digital systemsComputer systems Dewey Class. No.: 004.1 / TOC