Truth Tables Reference

Part of Truth Tables · Section 2 of 11

DiagramUnit: 3.4 Computer SystemsGCSE
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

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.

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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