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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]

Boolean logic Questions

Practise AQA GCSE Computer Science Boolean logic with exam-style questions for GCSE Computer Science. 83 questions, matched to the AQA GCSE Computer Science (8525) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Boolean logic Questions

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