Boolean Algebra With The Logic Gates

25 Questions

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Logic Gate Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which gate only has an output of 1 if both inputs are 1?
    • A. 

      OR

    • B. 

      NAND

    • C. 

      NOR

    • D. 

      AND

  • 2. 
    Which gate has an output of 1 if one but not both of the inputs is 1?
    • A. 

      OR

    • B. 

      XOR

    • C. 

      NOT

    • D. 

      AND

  • 3. 
    Which gate has an output of 1 unless both inputs are 1?
    • A. 

      NAND

    • B. 

      AND

    • C. 

      XOR

    • D. 

      NOR

  • 4. 
    Logic gates must have two inputs and one output
    • A. 

      True

    • B. 

      False

  • 5. 
    XOR gates can be made from
    • A. 

      All NAND gates

    • B. 

      All NOR gates

    • C. 

      All NOT gates

    • D. 

      AND, OR and NOT gates

  • 6. 
    NOR gates can be represented in logic notation as [Blank]
  • 7. 
    It is possible to build up any logic gate using only NAND gates
    • A. 

      True

    • B. 

      False

  • 8. 
    In boolean algebra, which operation does putting a bar above a letter represent
    • A. 

      AND

    • B. 

      NOT

    • C. 

      OR

    • D. 

      None of the above

  • 9. 
    In boolean algebra, which operation does a + represent
    • A. 

      OR

    • B. 

      AND

    • C. 

      NOT

    • D. 

      None of the above

  • 10. 
    What is a logic circuit?
    • A. 

      A logic gate with three inputs and two outputs

    • B. 

      A combination of logic gates whose output is always the same as its input

    • C. 

      A combination of logic gates that carry out a particular function

    • D. 

      A combination of logic gates whose output is always the same regardless of input

  • 11. 
    If both inputs are 1 in an OR gate the output will be 0
    • A. 

      True

    • B. 

      False

  • 12. 
    When constructing truth tables, you have to consider every last possible output
    • A. 

      True

    • B. 

      False

  • 13. 
    Which gate gives outputs which are opposite to the outputs given by a NAND gate?
    • A. 

      AND

    • B. 

      OR

    • C. 

      NOR

    • D. 

      NOT

  • 14. 
    Which gate will only output 1 if both inputs are 0?
    • A. 

      NOR

    • B. 

      OR

    • C. 

      XOR

    • D. 

      NAND

  • 15. 
    Logic circuits cannot have more than 2 inputs
    • A. 

      True

    • B. 

      False

  • 16. 
    Logic gates take in binary inputs and produce a [Blank] output
  • 17. 
    To make your output the inverse of your input you can use the [Blank] gate
  • 18. 
    The logic notation for a XOR gate is[Blank]
  • 19. 
    Hexadecimal is a base [Blank] system
  • 20. 
    Convert the hexadecimal A to binary
    • A. 

      0001

    • B. 

      1010

    • C. 

      1111

    • D. 

      1001

  • 21. 
    A hexadecimal digit is equivalent to four binary digits
    • A. 

      True

    • B. 

      False

  • 22. 
    What is a memory dump?
    • A. 

      Unused storage space

    • B. 

      A USB that can contain up to 200 petabytes

    • C. 

      A type of virus that downloads random information into your computer

    • D. 

      When memory contents are output to a monitor or printer

  • 23. 
    Which logic gate can be represented by a triangle with a circle on one of its points?
    • A. 

      NAND

    • B. 

      OR

    • C. 

      AND

    • D. 

      NOT