数字电路课程设计题目：抢答器。实现功能：主持人按下开始后才能抢答，否则犯规；一旦有人抢答，其它选手的抢答即被屏蔽；根据回答结果可进行得分加减并可显示到数码管上。-Digital Circuit Design Title: Responder. Function: Moderator press after the start of Responder, or foul once someone answer in other players Responder shall be shielde