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Home ‣ Digital Electronics ‣ Digital Arithmetic Operations and Circuits Comments
  • Question

  • A binary sum is made up of only 1s and 0s.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Digital Arithmetic Operations and Circuits problems

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    • 1. Overflow indicators in ALU circuits indicate when add or subtract operations produce results that are too large to fit into four bits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The 74LS382 ALU is a 24-pin arithmetic/logic unit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. There are four possible combinations for subtracting two binary numbers.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The look-ahead-carry adder is slower than the ripple-carry adder because it requires additional logic circuits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The binary subtraction 0 ? 1 = is
      difference = 1
      borrow = 0

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Full adders can add two numbers and need not have a carry input or a carry output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. ALU circuits cannot be cascaded to perform functions on more than four bits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Constants must be included in a package.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The carry-out of a binary adder is identified using the summation symbol, sigma.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. If [A] = 10 and [B] = 01, then [A] + [B] = [ ].

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

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