Logic circuits 438 Design and construction 155 Logic design 153 Digital electronics 132 Circuits 77 Electronic digital computers 72 Digital integrated circuits 61 Computer-aided design 53 Data processing 50 Verilog (Computer hardware description language) 31 VHDL (Computer hardware description language) 30 Microprocessors 21 Programmable logic devices 19 Metal oxide semiconductors, Complementary 16 Computer simulation 14 Logic programming 13 Integrated circuits 12 Microcomputers 12 Programmable controllers 11 Computers 10 Electronic circuits 10 Field programmable gate arrays 10 Transistor-transistor logic circuits 10 Low voltage integrated circuits 8 Very high speed integrated circuits 8 Computer organization 7 Computer-Aided Design 6 Laboratory manuals 6 Application-specific integrated circuits 5 Computer architecture 5