Truth Tables Reference

Part of Truth Tables · Section 2 of 11

DiagramUnit: 3.4 Computer SystemsGCSE

This diagram covers Truth Tables Reference within Truth Tables for GCSE Computer Science. Revise Truth Tables in 3.4 Computer Systems for GCSE Computer Science with 15 exam-style questions and 15 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 2 of 11 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Truth Tables Reference

Truth tables reference diagram showing complete truth tables for AND gate (output 1 only when both A and B are 1), OR gate (output 0 only when both A and B are 0), NOT gate (output is inverse of input A), and a combined logic circuit example showing intermediate columns for a multi-gate circuit, with all input combination rows systematically listed in binary order

Practice questions for Truth Tables

How many rows are needed in a truth table with 2 inputs (not including the header row)?

  • A. 2
  • B. 4
  • C. 6
  • D. 8
1 markfoundation

Explain why truth tables are useful when designing or testing logic circuits.

2 marksstandard

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Deep Dive: From Simple Gates to Complex Circuits

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