Downton, A. C. Computers and microprocessors : components and systems / A. C. Downton - 3rd ed. - London : Chapman & Hall, 1992 - xii, 240 p. : ill. ; 25 cm. - Tutorial guides in electronic engineering 4 0266-2620 ; . Includes index ISBN: 0412403005 (pbk.) : PND 13.95 0442315368 Subjects--Topical Terms: ComputersMicroprocessors Dewey Class. No.: 004.028