Boolean logic
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A digital safety system for a chemical reactor monitors temperature TTT, pressure PPP, and catalyst level CCC. The emergency shutdown valve is activated (represented by output V=1V = 1V=1) according to the following Boolean expression:

V=NOT (T OR P) AND NOT C V = \text{NOT } (T \text{ OR } P) \text{ AND } \text{NOT } C V=NOT (T OR P) AND NOT C

Select the letter corresponding to the logic gate diagram that correctly represents this safety system logic.

Logic Gate Diagrams

A

B

C

D

Boolean logic Questions

Practise OCR GCSE Computer Science Boolean logic with exam-style questions for GCSE Computer Science. 27 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 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