Olsen, George Henry Computers and microprocessors made simple George Henry Olsen and Ian Burdess - London W. H. Allen & Company Ltd. 1980 - viii+234p. index - Made Simple Series . ISBN: 491027931 Subjects--Topical Terms: Computer AnalogComputer DigitalComputer Digital SoftwareMicroprocessor Universal Decimal Class. No.: 681.33+681.32 / OLS+BUR