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Home Digital Electronics Digital Arithmetic Operations and Circuits Comments

  • Question
  • Solve this BCD problem: 0101 + 0110 = ________.


  • Options
  • A. 00010111BCD
  • B. 00001001BCD
  • C. 00010001BCD
  • D. 00010011BCD

  • Correct Answer
  • 00010001BCD 


  • Digital Arithmetic Operations and Circuits problems


    Search Results


    • 1. To make an eight-bit adder from two four-bit adders you must connect ________.

    • Options
    • A. the high-order carry-in to ground
    • B. the low-order carry-out to the high-order carry-in
    • C. the high-order carry-out to ground
    • D. the low-order sum to the high-order data input
    • Discuss
    • 2. The binary adder circuit is designed to add ________ binary number(s) at a time.

    • Options
    • A. 1
    • B. 3
    • C. 2
    • D. 5
    • Discuss
    • 3. In AHDL macrofunctions, the first thing that should go into any source file is ________ your code.

    • Options
    • A. a field of comments that documents
    • B. a library of
    • C. a function name of
    • D. the universal global definition of
    • Discuss
    • 4. In BCD addition, the value ________ is added to any invalid code group.

    • Options
    • A. 010101
    • B. 0U812
    • C. 100110
    • D. 0110
    • Discuss
    • 5. The carry-out of a full adder is ________.

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 6. When performing binary addition using the 2's-complement method, an ________ can occur if ________ are of the same ________; the error is indicated by a(n) ________.

    • Options
    • A. error, both numbers, magnitude, negative sign
    • B. overflow, both numbers, sign, incorrect sign bit
    • C. overflow, signs, magnitude, incorrect sum
    • D. error, the signs, polarity, incorrect polarity
    • Discuss
    • 7. Inside a computer all arithmetic operations take place in the ________.

    • Options
    • A. accumulator register
    • B. ALU
    • C. CPU
    • D. B register
    • Discuss
    • 8. The concurrent section of the hardware description is where the ________ are interconnected.

    • Options
    • A. functions
    • B. components
    • C. circuits
    • D. macrofunctions
    • Discuss
    • 9. The 74HC382 ALU can perform ________ operations.

    • Options
    • A. 2
    • B. 4
    • C. 8
    • D. 16
    • Discuss
    • 10. 34FC + AD31 = ________.

    • Options
    • A. E22D
    • B. E31D
    • C. E21D
    • D. E42D
    • Discuss


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