Lesson Plan: NOT Gates Physics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to determine the input and output of NOT gates in logic circuits and complete truth tables for NOT gates.


Students will be able to

  • correctly identify and draw the circuit symbol for a NOT gate,
  • determine the output of a single NOT gate for a given input,
  • determine the output of multiple connected NOT gates for a given input,
  • draw a truth table for a NOT gate.


Students should already be familiar with

  • the idea that a binary signal has two possible values: 0 and 1,
  • the idea that a logic gate is a device that takes one or more binary inputs and has one binary output,
  • the idea that logic gates can be drawn as part of logic circuits, in much the same way that analog circuit components can be drawn as part of analog circuits.


Students will not cover

  • any other types of logic gates (e.g., AND gates, OR gates, NAND gates, NOR gates, XOR gates, etc.),
  • algebraic representations of Boolean logic,
  • the material or structural design of logic gates,
  • combinations of more than one type of logic gate.

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