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

  • What logic function is the sum output of a half-adder?


  • Options
  • A. AND
  • B. exclusive-OR
  • C. exclusive-NOR
  • D. NAND

  • Correct Answer
  • exclusive-OR 

    • Digital Arithmetic Operations and Circuits problems

    Search Results

    • 1. The units for the HIGH time for a periodic wave are ________.

    • Options
    • A. seconds
    • B. hertz
    • C. cycles
    • D. %
      • Discuss
    • 2. To forward bias a diode, a ________ potential is needed on the ________ and a ________ is needed on the ________.

    • Options
    • A. negative, cathode, positive, anode
    • B. negative, anode, positive, cathode
      • Discuss
    • 3. Determine the output voltage Vout for the circuit in the given figure.


    • Options
    • A. ?0.5 V
    • B. 0 V
    • C. +5 V
    • D. +4.3 V
      • Discuss
    • 4. The serial format for transmitting binary information uses:

    • Options
    • A. a single conductor
    • B. multiple conductors
    • C. infrared technology
    • D. fiber-optic
      • Discuss
    • 5. Is the transistor in the given figure considered ON or OFF?


    • Options
    • A. OFF
    • B. ON
    • C. Not enough information is provided.
      • Discuss
    • 6. Solve this binary problem: 01110010 ? 01001000 =

    • Options
    • A. 00011010
    • B. 00101010
    • C. 01110010
    • D. 00111100
      • Discuss
    • 7. Solving ?11 + (?2) will yield which two's-complement answer?

    • Options
    • A. 1110 1101
    • B. 1111 1001
    • C. 1111 0011
    • D. 1110 1001
      • Discuss
    • 8. Perform subtraction on each of the following binary numbers by taking the two's-complement of the number being subtracted and then adding it to the first number.
      01001        01100
      00011        00111

    • Options
    • A. 01100    10011
    • B. 00110    00101
    • C. 10110    10101
    • D. 00111    00100
      • Discuss
    • 9. Which of the following is the primary advantage of using binary-coded decimal (BCD) instead of straight binary coding?

    • Options
    • A. Fewer bits are required to represent a decimal number with the BCD code.
    • B. BCD codes are easily converted from decimal.
    • C. the relative ease of converting to and from decimal
    • D. BCD codes are easily converted to straight binary codes.
      • Discuss
    • 10. A half-adder circuit would normally be used each time a carry input is required in an added circuit.

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

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