*Digital System Advantage Reproducibility, Reliability, Accuracy, Noise immunity, Flexibility, Easy of integration, etc... => 집적 용이, 저장이 쉬움->유지보수 쉬움 *Hardware Description Languages(HDLs) HDLs can describe a digital system at several different levels. - behavioral and structural HDLs lead naturally to a top-down design methology Two popular HDLs - VHDL and verilog Verilog is a HDL used to describ..