Logic Gates Reference

Part of Logic Gates · Section 2 of 9

DiagramUnit: 3.4 Computer SystemsGCSE

This diagram covers Logic Gates Reference within Logic Gates for GCSE Computer Science. Revise Logic Gates in 3.4 Computer Systems for GCSE Computer Science with 16 exam-style questions and 20 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 9 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

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

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

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