Programming (Electronic computers) 26 Congresses 6 Electronic data processing 6 Computers 4 Computer programs 3 Data processing 3 Formal languages 3 Programming languages (Electronic computers) 3 Problems, exercises, etc 2 Study and teaching (Secondary) 2 Switching systems 2 Telecommunication 2 Telephone switching systems, Electronic 2 BASIC (Computer program language) 1 Business 1 Coding theory 1 Costs 1 Engineering 1 Handbooks, manuals, etc 1 Interactive computer systems 1 Juvenile literature 1 MIDAS (Electronic computer system) 1 Machine theory 1 Mathematics 1 Microcomputers 1 Numerical analysis 1 Periodicals 1 Science 1 Semantics 1