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Home ‣ Electronics ‣ Logic Circuit Simplification Comments
  • Question

  • 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

  • Correct Answer
  • True 

    • Logic Circuit Simplification problems

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    • 1. The expressions, , are equivalent.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A BCD code that represents each digit of a decimal number by a binary number derived by adding 3 to its 4-bit true binary value is _________.

    • Options
    • A. 9's complement code
    • B. excess-3 code
    • C. 8421 code
    • D. gray code
      • Discuss
    • 4. The __________ code is a nonweighted binary code.

    • Options
    • A. excess-3
    • B. gray
    • C. multibit
    • D. minival
      • Discuss
    • 5. Digital electronics is based on the _________ numbering system.

    • Options
    • A. decimal
    • B. hexadecimal
    • C. binary
    • D. octal
      • Discuss
    • 6. 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
    • 7. 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
    • 8. Subtraction is commutative.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. 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

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