利用Verilog HDL语言进行数字系统设计实现秒表的设计，涵盖原理图设计、文本设计以及进行波形仿真，并有对应的报告。报告中还包括BCD/7段译码集成电路74LS47仿真实验、单管分压式稳定工作点偏置电路仿真实验和8路智力竞赛抢答器电路设计-Use Verilog HDL language design and implementation of digital systems design stopwatch, covering schematic design, text, design, and simulation waveform, and there is a corresponding report. The report also includes a BCD/7 segment decoder IC 74LS47 simulation, single-tube type stable operating point voltage divider bias circuit simulation and 8 quiz Responder circuit design