COBOL (Computer program language) Structured programming 25 Programming 7 Computer programming 5 Data processing 5 Electronic digital computers 5 Business 4 File organization (Computer science) 4 BASIC (Computer program language) 3 Electronic data processing 3 FORTRAN (Computer program language) 3 Flow charts 2 Handbooks, manuals, etc 2 Management information systems 2 Standards 2 Assembler language (Computer program language) 1 Automation 1 Computer programs 1 Data disk drives 1 Data structures (Computer science) 1 Data tapes 1 Database management 1 Debugging in computer science 1 Information storage and retrieval systems 1 Libraries 1 Library science 1 Management 1 Microcomputers 1 PL/I (Computer program language) 1 PRIME computer 1