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Home ‣ Electronics ‣ Logic Circuit Simplification Comments
  • Question

  • Subtraction is commutative.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Logic Circuit Simplification problems

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    • 1. The sum-of-products form is a Boolean expression that describes the ANDing of two or more OR functions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. According to the commutative law, in ORing and ANDing of two variables, the order in which the variables are ORed or ANDed makes no difference.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The application of DeMorgan's theorems to a Boolean expression with double and single inversions produces a resultant expression that contains only single inverter signs over single variables.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The expressions, , are equivalent.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The associative law of addition states that A + (B + C) = (A + B) + C.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6.  is the algebraic expression for the duality theorem.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The double-inversion rule states that if a variable is inverted twice, then the variable will be back to its original state.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Boolean multiplication is symbolized by A + B.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The Boolean expression for a three-input AND gate is Y = A ? B + C.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A magnitude comparator outputs the highest or lowest value of its inputs depending on control signals.

    • Options
    • A. True
    • B. False
      • Discuss

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