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Boolean LogicDiagram

Logic Gates Reference

Part of Logic Gates — GCSE Computer Science

This diagram covers Logic Gates Reference within Logic Gates for GCSE Computer Science. Revise Logic Gates in Boolean Logic for GCSE Computer Science with 15 exam-style questions and 20 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 2 of 8 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 2 of 8

Practice

15 questions

Recall

20 flashcards

Logic Gates Reference

Logic gates reference diagram showing all standard gate symbols: AND gate (D-shape, output 1 only when all inputs are 1), OR gate (curved shape with pointed output, output 1 when any input is 1), NOT gate (triangle with inversion bubble, output is opposite of input), NAND gate (AND with bubble), NOR gate (OR with bubble), and XOR gate (OR with extra curved line), each with its truth table

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Read this section alongside the surrounding pages in Logic Gates. That gives you the full topic sequence instead of a single isolated revision point.

The Decision Makers Inside ComputersDeep Dive: The Three Basic Logic GatesThe Three Basic GatesLogic Gate Symbols

Practice Questions for Logic Gates

An AND gate has inputs A=1 and B=0. What is the output?

  • A. 0
  • B. 1
  • C. Always 1
  • D. Always 0
1 markfoundation

Complete the truth table for an OR gate with two inputs A and B. | A | B | Output | |---|---|--------| | 0 | 0 | | | 0 | 1 | | | 1 | 0 | | | 1 | 1 | |

3 marksstandard

Quick Recall Flashcards

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Deep Dive: The Three Basic Logic Gates