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Home Digital Electronics Digital Arithmetic Operations and Circuits Comments

  • Question
  • 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

  • Correct Answer
  • a field of comments that documents 


  • Digital Arithmetic Operations and Circuits problems


    Search Results


    • 1. In BCD addition, the value ________ is added to any invalid code group.

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

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 3. Solve this binary problem: 01011000 ÷ 00001011 = ________.

    • Options
    • A. 1010
    • B. 0110
    • C. 1000
    • D. 1110
    • Discuss
    • 4. Solve this binary problem: 1001 × 1100 = ________.

    • Options
    • A. 01110001
    • B. 01111000
    • C. 01101100
    • D. 01101110
    • Discuss
    • 5. The circuit shown is a(n) ________.


    • Options
    • A. multiplexer
    • B. adder
    • C. comparator
    • D. converter
    • Discuss
    • 6. The binary adder circuit is designed to add ________ binary number(s) at a time.

    • Options
    • A. 1
    • B. 3
    • C. 2
    • D. 5
    • Discuss
    • 7. 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
    • 8. Solve this BCD problem: 0101 + 0110 = ________.

    • Options
    • A. 00010111BCD
    • B. 00001001BCD
    • C. 00010001BCD
    • D. 00010011BCD
    • Discuss
    • 9. 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
    • 10. Inside a computer all arithmetic operations take place in the ________.

    • Options
    • A. accumulator register
    • B. ALU
    • C. CPU
    • D. B register
    • Discuss


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