Minicomputers Microcomputers 31 Programming 13 Data processing 12 Congresses 8 Periodicals 8 Electronic data processing 7 Automation 5 Microprocessors 5 PDP-11 (Computer) 4 Business 3 Computers 3 Distributed processing 3 Libraries 3 Assembler language (Computer program language) 2 BASIC (Computer program language) 2 Computer input-output equipment 2 Information storage and retrieval systems 2 Library science 2 Apple II (Computer) 1 Automatic control 1 BBC Microcomputer 1 Building 1 Chemical process control 1 Computer industry 1 Computer networks 1 Computer programs 1 Computer software 1 Computer-aided design 1 Computer-assisted instruction 1