Electronic digital computers 506 Circuits 134 Design and construction 118 Logic circuits 74 Logic design 61 Programming 53 Data processing 43 Verilog (Computer hardware description language) 38 Digital integrated circuits 36 Electronic data processing 36 Computers 33 Computer architecture 28 Computer-aided design 28 System design 26 VHDL (Computer hardware description language) 26 Evaluation 25 Digital electronics 24 Computer simulation 19 Integrated circuits 19 Power supply 19 Computer software 18 Microcomputers 17 Reliability 17 Very large scale integration 15 Design 11 Queuing theory 11 Computer security 10 Computer systems 10 Conservation 10 Electric power 10