Verilog (Computer hardware description language) 5 VHDL (Computer hardware description language) 2 Computer simulation 1 Computer systems 1 Computer-aided design 1 Data processing 1 Design and construction 1 Electronic digital computers 1 Embedded computer systems 1 Field programmable gate arrays 1 Integrated circuits 1 Logic design 1 Mathematical models 1 Rapid prototyping 1 Sequential machine theory 1 System design 1 SystemVerilog (Computer hardware description language) 1 Very large scale integration 1