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

  • Solve the following:
    Solve the following: 10011110 01211110 000100000100 001000001000


  • Options
  • A. 10011110
  • B. 01211110
  • C. 000100000100
  • D. 001000001000

  • Correct Answer
  • 000100000100 

    • Digital Arithmetic Operations and Circuits problems

    Search Results

    • 1. Fast-look-ahead carry circuits found in most 4-bit full-adder circuits:

    • Options
    • A. determine sign and magnitude
    • B. reduce propagation delay
    • C. add a 1 to complemented inputs
    • D. increase ripple delay
      • Discuss
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. Solving ?11 + (?2) will yield which two's-complement answer?

    • Options
    • A. 1110 1101
    • B. 1111 1001
    • C. 1111 0011
    • D. 1110 1001
      • Discuss
    • 6. Solve this binary problem: 01000110 ÷ 00001010 =

    • Options
    • A. 0111
    • B. 10011
    • C. 1001
    • D. 0011
      • Discuss
    • 7. One way to make a four-bit adder perform subtraction is by:

    • Options
    • A. inverting the output.
    • B. inverting the carry-in.
    • C. inverting the B inputs.
    • D. grounding the B inputs.
      • Discuss
    • 8. The two's-complement system is to be used to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.

    • Options
    • A. ?14 and ?13, ?27
    • B. ?113 and ?114, 227
    • C. ?27 and ?13, 40
    • D. ?11 and ?16, ?27
      • Discuss
    • 9. Solve this BCD problem: 0100 + 0110 =

    • Options
    • A. 00010000BCD
    • B. 00010111BCD
    • C. 00001011BCD
    • D. 00010011BCD
      • Discuss
    • 10. The truth table for a full adder is shown below. What are the values of X, Y, and Z?

    • Options
    • A. X = 0, Y = 1, Z = 1
    • B. X = 1, Y = 1, Z = 1
    • C. X = 1, Y = 0, Z = 1
    • D. X = 0, Y = 0, Z = 1
      • Discuss

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