BASIC (Computer program language) 227 Programming 65 Data processing 30 Computer programming 19 IBM Personal Computer 18 Apple II (Computer) 15 Business 13 Microcomputers 12 Electronic data processing 11 Structured programming 9 Computer programs 8 Electronic digital computers 8 Computers 5 Macintosh (Computer) 5 Pascal (Computer program language) 5 Apple computer 4 BBC Microcomputer 4 Business BASIC (Computer program language) 4 Mathematics 4 Programmed instruction 4 COBOL (Computer program language) 3 Computer graphics 3 Flow charts 3 Problems, exercises, etc 3 Subroutines (Computer programs) 3 TRS-80 computers 3 Time-sharing computer systems 3 Windows (Computer programs) 3 Computer games 2 Computer-assisted instruction 2