Reverse Engineering The Coleco Quiz Wiz

Exploring a handheld electronic toy from the late 1970's.

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Coleco Quiz Wiz (Image from Toy Tales)
  1. Press the CLEAR button.
  2. Type in the question number and the answer letter from the cartridge booklet.
  3. Press the ANSWER button.
  4. A correct answer will turn on the green light. An incorrect answer will turn on the red light and briefly sound a buzzer.
  5. Press the CLEAR button to start over again.
  • The output is either TRUE (green light) or FALSE (red light and buzzer).
  • The CLEAR and ANSWER buttons trigger a state change within the circuit.
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Image by Tiger

C.D. Reimer makes videos about comic cons, pop culture, Silicon Valley and technology every week. https://www.youtube.com/c/cdreimer

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