Design and construction 160 Digital integrated circuits 156 Data processing 34 VHDL (Computer hardware description language) 20 Embedded computer systems 15 Logic design 15 Digital electronics 14 Electronic circuit design 13 Metal oxide semiconductors, Complementary 12 Integrated circuits 10 Computer-aided design 9 Logic circuits 9 Computer architecture 7 Field programmable gate arrays 7 Electric circuit analysis 5 Programming 5 Testing 5 Ultra large scale integration 5 Automatic test equipment 4 Gallium arsenide semiconductors 4 Abstraction 3 Computer programs 3 Evolutionary computation 3 Evolutionary programming (Computer science) 3 Industrial efficiency 3 Linear integrated circuits 3 Verilog (Computer hardware description language) 3 Computer simulation 2 Design and contruction 2 Digital integrated circuit 2