BASIC (Computer program language) Programming 64 Data processing 26 Computer programming 19 IBM Personal Computer 17 Apple II (Computer) 14 Microcomputers 12 Electronic data processing 11 Business 9 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 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 FORTRAN (Computer program language) 2