Part of a series designed for students seeking technician or equivalent qualifications through the courses of the Business and Technician Council (BTEC), the Scottish Technical Education Council, Australian Technical and Further Education Departments and the East and West African Examinations Council, this textbook of worked problems provides coverage of the BTEC unit in microelectronic systems, syllabus U86/333, dealing principally with topics remaining after the extraction of a single unit at N11 level. The book concentrates on the 6502, Z80 and 6500 microprocessors.