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      Logic gate simulator software

      Lesson details

      Learning outcome

      I can use logic gate simulator software to model logic circuits.

      Key learning points

      1. Logic gate simulator software allows you to create an interactive circuit diagram.
      2. You can test that the circuit you have created is correct by changing the inputs and observing the output.
      3. A logic gate simulator can help you quickly generate a truth table for a logic circuit.

      Keywords

      • Logic gate simulator - a piece of software that allows you to build a logic circuit and test it with different input values

      • Circuit diagram - a picture used to represent a more complex logical statement

      Common misconception

      Each input can only be wired to one logic gate.

      Logic gates can be combined to create complex circuits that represent any number of logic statements combined. This can involve the same input being connected to multiple logic gates.

      Teacher tip

      Model how to create and test the use of an online logic gate simulator for example logic statements. Show how the inputs of a truth table are controlled in the software and how the output of the curcuit can be determined.

      Equipment

      Pupils will need access to a device that can simulate logic circuts. Examples in this lesson use logic.ly https://oak.link/logicly-demo

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      What is the output of an AND gate when both inputs are False?

      True
      Correct answer: False

      Q2.
      What is the output of an OR gate when one input is True and the other is False?

      Correct answer: True
      False

      Q3.
      Match the terms to the definitions.

      Correct Answer:AND gate,a logic gate that outputs True only if both inputs are True

      a logic gate that outputs True only if both inputs are True

      Correct Answer:OR gate,a logic gate that outputs True if at least one input is True

      a logic gate that outputs True if at least one input is True

      Correct Answer:NOT gate,a logic gate that outputs the opposite of its input

      a logic gate that outputs the opposite of its input

      Correct Answer:truth table,a table of all possible inputs and outputs for a logic gate or circuit

      a table of all possible inputs and outputs for a logic gate or circuit

      Q4.
      Which of the following is NOT a fundamental logic gate?

      AND
      OR
      NOT
      Correct answer: True

      Q5.
      In the truth table for (A AND B) OR C, what should the first column after the inputs be labelled as?

      (A AND B) OR C
      Correct answer: A AND B
      OR C

      Q6.
      You can check that a circuit represents the logic you intended by drawing a .

      Correct Answer: truth table

      4 Questions

      Q1.
      People who design computers use a to check the design of complex circuits before they are built out of expensive materials.

      Correct Answer: logic gate simulator

      Q2.
      What is a logic gate simulator?

      a physical device used to test logic gates
      a type of logic gate
      Correct answer: a software program that allows you to build and test logic circuits
      a mathematical formula used to calculate the output of a logic gate

      Q3.
      What is a circuit diagram?

      a physical representation of a logic circuit
      Correct answer: a picture used to represent a logical statement
      a type of logic gate
      a mathematical formula used to calculate the output of a logic gate

      Q4.
      A logic gate simulator allows you to create an interactive .

      Correct Answer: circuit diagram, circuit diagrams

      To help you plan your 10 computer science lesson on: Logic gate simulator software, download all teaching resources for free and adapt to suit your pupils' needs...