本作品以AT89S52单片机作为主要模块、数码管做为显示模块。本抢答器主要是通过八个按键开关来摸拟八路选手的抢答，开始键按下，则进入到八个按键的扫描中，同时显数倒计时时间。同时该抢答器还有时间的加减、数据的清零、八路选择手犯规报警功能；通过数码管来显示抢答的时间和抢答选手的号数。本作品造价便宜，硬件比较简单，通俗易懂，趣味十足。-In this work, as the main module AT89S52 SCM, digital tube as display module. This contest is through eight button switches to touch the player to sanyuanli vies to answer first, press the start button and enter into eight buttons, and show the number of scanning time countdown. At the same time, this is also the time vies to answer first, data and cleared, choose 8 hand foul alarm functions, Through digital tube to display the time and vies to answer first contestant vies to answer first the serial number. This works are cheap, hardware is simple, understandable, interest dye-in-the-wood.