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Practice digital electronics

11 questions mixed from all 5 lessons in this unit, in random order. Get five right first time in a row and the set is done.

0 in a row / 5 to finish
Only first-try answers extend the streak.
From Pull-ups, floating inputs & debouncing0 answered · best streak 0
  1. 1

    A button connects a pin to ground when pressed. What does the pin read when it is not pressed and has no pull-up?