Boolean LogicKey Facts

Real-World Examples of Logic Gates

Part of Logic GatesGCSE Computer Science

This key facts covers Real-World Examples of Logic Gates 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 7 of 8 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 7 of 8

Practice

15 questions

Recall

20 flashcards

Real-World Examples of Logic Gates

Gate Type Real-World Application Logic Explanation
AND Car starting system Key inserted AND brake pressed → Engine starts (both conditions required)
AND Microwave oven Door closed AND Start pressed → Microwave runs (safety requirement)
OR Home security alarm Window broken OR Door forced → Alarm sounds (either triggers alert)
OR Smart lights Voice command OR Motion sensor → Light turns on (multiple triggers)
NOT Refrigerator light NOT(door closed) → Light on (light when door is open)
NOT Automatic doors NOT(obstruction detected) → Door closes (inverts sensor signal)

Keep building this topic

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

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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