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Boolean logic

Boolean logic

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Question 1

An automated discharge valve (VVV) in a chemical plant is opened if all of the following conditions are met:

  • The reservoir level sensor (LLL) is on.
  • The emergency shutdown switch (SSS) is off.
  • The bypass valve blockage indicator (BBB) is off.

Write a Boolean expression for this logic control system.

You must use Boolean expression operators in your answer.

V=V =V=

[3]
Markscheme

Boolean logic Questions

  1. GCSE
  2. /Computer Science
  3. /Boolean logic

30 exam-style questions on AQA GCSE Computer Science Boolean logic. Each one has a worked solution and a mark scheme showing where the marks go.

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