3.4 Computer SystemsHigh Exam FrequencyOCR

Logic Gates

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 exam topic, so students should expect to explain it clearly under timed conditions.

Sample Flashcards

Exam 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

16

exam-style questions

20

revision flashcards

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