Lesson T3.1.1

T3.1.1 AND, OR and NOT Quiz: KS3 Computing, Unit 3

20 questions

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Lesson T3.1.1, AND, OR and NOT: 20 multiple choice questions for the KS3 Computing (National Curriculum), Unit 3: Boolean logic and binary, written with Revision Ninja.

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The 20 questions

  1. When does a Boolean AND gate output 1?

    • Both inputs 0
    • One input 1
    • Both inputs 1
    • Either input 1
  2. When does a Boolean OR gate output 1?

    • Only when both are 0
    • Only when both are 1
    • Only when inputs differ
    • At least one input 1
  3. What does a Boolean NOT operator do to an input of 1?

    • Outputs -1
    • Outputs 0
    • Outputs 2
    • Outputs 1
  4. If A is 1 and B is 0, what is A AND B?

    • 0
    • 2
    • 1
    • -1
  5. If A is 1 and B is 0, what is A OR B?

    • -1
    • 2
    • 0
    • 1
  6. What is the output of NOT 0 in Boolean logic?

    • 10
    • 0
    • 1
    • -1
  7. Which logic operator requires all conditions to be true simultaneously?

    • AND
    • NOT
    • XOR
    • OR
  8. Which logic operator is true if at least one condition is met?

    • NAND
    • NOT
    • OR
    • AND
  9. What is the result of NOT True in a Boolean check?

    • Null
    • Error
    • False
    • True
  10. Which input combination makes an AND gate output 0?

    • Both inputs 1
    • A is 0 and B is 1
    • A is 1 and B is 1
    • A and B are True
  11. Which input combination makes an OR gate output 1?

    • Both inputs 0
    • Neither input active
    • A is 0 and B is 0
    • A is 0 and B is 1
  12. If A is 1 and B is 1, what is A AND B?

    • -1
    • 2
    • 1
    • 0
  13. If A is 0 and B is 0, what is A OR B?

    • 0
    • -1
    • 1
    • 2
  14. Given A is 1 and B is 0, what is the result of NOT (A AND B)?

    • 0
    • 2
    • 1
    • True
  15. When is the output of an AND logic gate equal to 1?

    • One input 1
    • Inputs differ
    • Both inputs 1
    • Both inputs 0
  16. What is the primary purpose of logical operators in programming?

    • Making decisions
    • Repeating loops
    • Storing data
    • Formatting text
  17. What is the value of the expression x > 1 AND y > 5 when x is 3 and y is 7?

    • False
    • 0
    • An error
    • True
  18. What is the output of True AND False in Python?

    • An error
    • 1
    • True
    • False
  19. What is the output of True OR False in Python?

    • 0
    • False
    • True
    • An error
  20. Which combination of inputs gives 1 for NOT (A OR B)?

    • A is 0 and B is 1
    • A is 1 and B is 0
    • A is 1 and B is 1
    • A is 0 and B is 0

All KS3 Computing quizzes