Computer-aided design 341 Data processing 236 AIDS (Disease) 108 Computer-aided engineering 79 Engineering design 70 Economic assistance 65 Social aspects 53 Design and construction 48 Architectural design 44 Integrated circuits 43 Aids and devices 40 Audio-visual aids 40 Teaching 38 Computer graphics 35 CAD/CAM systems 31 Architecture 26 History 25 Very large scale integration 25 Design 24 Economic conditions 24 Study and teaching 23 Computer simulation 20 Research 20 Electronic circuit design 19 Patients 17 Computer integrated manufacturing systems 15 Computer-aided software engineering 15 Computer programs 14 Testing 14 Architectural drawing 13