Ada (Computer program language) 56 Congresses 13 Programming 5 Computer software 4 Development 3 Electronic digital computers 3 ANNA (Computer program language) 2 Parallel processing (Electronic computers) 2 Programming languages (Electronic computers) 2 Reliability 2 Semantics 2 Software engineering 2 System design 2 ALGOL (Computer program language) 1 Computer programming 1 DRAGOON (Computer program language) 1 Data processing 1 Data structures (Computer science) 1 Digital computer simulation 1 Distributed processing 1 Electronic data processing 1 Embedded computer systems 1 Handbooks, manuals, etc 1 Microprocessors 1 Modula-2 (Computer program language) 1 Multiprocessors 1 Object-oriented programming (Computer science) 1 PL/I (Computer program language) 1 Pascal (Computer program language) 1 Periodicals 1