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

  • There are four possible combinations for subtracting two binary numbers.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Digital Arithmetic Operations and Circuits problems

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    • 1. The look-ahead-carry adder is slower than the ripple-carry adder because it requires additional logic circuits.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. It is not necessary to have the same number of bits when adding or subtracting signed binary numbers in the 2's-complement system.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. An electromechanical relay is operated manually.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The CMOS uses bipolar transistors instead of MOSFET.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. 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
    • 8. A binary sum is made up of only 1s and 0s.

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

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

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

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