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It consists of two parts: the main circuit and the expansion circuit. The main circuit completes the basic answer function

  • 2014-03-05
  • 153.89KB
  • Points it Requires : 2

It consists of two parts: the main circuit and the expansion circuit. The main circuit completes the basic answer function, that is, after the answer starts, when the contestant presses the answer key, the contestant\'s number can be displayed, and the input circuit can be blocked to prohibit other contestants from answering. The expansion circuit completes the function of timing answering.

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