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Home ‣ Digital Electronics ‣ Boolean Algebra and Logic Simplification Comments
  • Question

  • When When are the inputs to a NAND gate, according to De Morgan's theorem, the output expression could be are the inputs to a NAND gate, according to De Morgan's theorem, the output expression could be:


  • Options
  • A. X = A + B
  • B. When are the inputs to a NAND gate, according to De Morgan's theorem, the output expression could be
  • C. X = (A)(B)
  • D. When are the inputs to a NAND gate, according to De Morgan's theorem, the output expression could be

  • Correct Answer
  • X = A + B 

    • Boolean Algebra and Logic Simplification problems

    Search Results

    • 1. Applying DeMorgan's theorem to the expression , we get ________.

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. Which of the examples below expresses the commutative law of multiplication?

    • Options
    • A. A + B = B + A
    • B. AB = B + A
    • C. AB = BA
    • D. AB = A × B
      • Discuss
    • 3. Which statement below best describes a Karnaugh map?

    • Options
    • A. A Karnaugh map can be used to replace Boolean rules.
    • B. The Karnaugh map eliminates the need for using NAND and NOR gates.
    • C. Variable complements can be eliminated by using Karnaugh maps.
    • D. Karnaugh maps provide a cookbook approach to simplifying Boolean expressions.
      • Discuss
    • 4. Which is the correct logic function for this PAL diagram?


    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. Derive the Boolean expression for the logic circuit shown below:


    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. Applying the distributive law to the expression , we get ________.

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. Applying DeMorgan's theorem to the expression , we get ________.

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. Occasionally, a particular logic expression will be of no consequence in the operation of a circuit, such as a BCD-to-decimal converter. These result in ________terms in the K-map and can be treated as either ________ or ________, in order to ________ the resulting term.

    • Options
    • A. don't care, 1s, 0s, simplify
    • B. spurious, ANDs, ORs, eliminate
    • C. duplicate, 1s, 0s, verify
    • D. spurious, 1s, 0s, simplify
      • Discuss
    • 9. A truth table for the SOP expression has how many input combinations?

    • Options
    • A. 1
    • B. 2
    • C. 4
    • D. 8
      • Discuss
    • 10. AC + ABC = AC

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

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