Introduction To IT - Boolean Logic

14 Questions | Total Attempts: 136

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Introduction To IT - Boolean Logic

Questions and Answers
  • 1. 
    Simplification of the Boolean expression AB + ABC + ABCD + ABCDE + ABCDEF yields which of the following results?
    • A. 

      ABCDEF

    • B. 

      AB

    • C. 

      A + B + C + D + E + F

    • D. 

      A + B(C+D(E+F))

  • 2. 
    An equivalent representation for the Boolean expression A' + 1 is
    • A. 

      1

    • B. 

      A

    • C. 

      A'

    • D. 

      0

  • 3. 
    Which of the following is the best definition of a literal?
    • A. 

      1 or 2

    • B. 

      The complement of a Boolean variable

    • C. 

      The actual understanding of a Boolean variable

    • D. 

      A Boolean variable

  • 4. 
    Draw a logic table for the diagram above and determine the output.  
    • A. 

      No answer is needed. You can skip this question.

    • B. 

      No answer is needed. You can skip this question.

  • 5. 
    The OR function is Boolean multiplication and the AND function is Boolean addition.
    • A. 

      True

    • B. 

      False

  • 6. 
     In Boolean algebra, A + 1 = 1.
    • A. 

      True

    • B. 

      False

  • 7. 
    SOP stands for sum-of-powers
    • A. 

      True

    • B. 

      False

  • 8. 
    The symbol shown below is for a 2-input NAND gate.
    • A. 

      True

    • B. 

      False

  • 9. 
    By applying De Morgan's theorem to a NOR gate, two identical truth tables can be produced.
    • A. 

      True

    • B. 

      False

  • 10. 
    In boolean logic, what symbol can be used to represent AND?
  • 11. 
    Also OR can be represented by? 
  • 12. 
    This image represents a                                gate.
  • 13. 
    Which of the following is true of a NOR gate?
    • A. 

      It always yields a positive result.

    • B. 

      It always yields a negative result.

    • C. 

      It is the negative of the OR gate

    • D. 

      It is the same as the OR gate

  • 14. 
    When output is determined solely by output, it is called a                                           logic.
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