Microcomputers Data processing 41 Programming 18 Minicomputers 13 Computer-assisted instruction 12 Microprocessors 10 Business 8 mer ... Education 8 Purchasing 8 Congresses 6 Automation 5 Small business 5 Amateurs' manuals 4 BASIC (Computer program language) 4 Computer programs 4 Dictionaries 4 Electronic data processing 4 Libraries 4 Management 4 Computer managed instruction 3 Computers and civilization 3 Library science 3 Maintenance and repair 3 Microelectronics 3 Study and teaching (Secondary) 3 Word processing 3 Catalogs 2 Computer input-output equipment 2 Computer interfaces 2 Data transmission systems 2 mindre ...