设计一个可容纳6组(或4组)参赛的数字式抢答器，每组设一个按钮，供抢答使用。抢答器具有第一信号鉴别和锁存功能，使除第一抢答者外的按钮不起作用。设置一个主持人“复位”按钮。主持人复位后，开始抢答，第一信号鉴别锁存电路得到信号后，有指示灯显示抢答组别，扬声器发出2~3秒的音响。设置一个计分电路，每组开始预置100分，由主持人记分，答对一次加10分，答错一次减10分

-The design can accommodate a group (or groups) participating in the Digital Responder, each with a button for the answer in use. Responder has a first signal to identify and latch function, in addition to the first answer button does not work. Set a moderator " reset"　button. After the reset of the host, began to answer, the identification of the first signal latch circuit signal indicator Responder group, audio speaker 2 to 3 seconds. Set up a scoring circuit, each began to preset 100 points, scoring by the moderator, answer 10 points, got it wrong once by 10 points