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Home Digital Electronics Digital Arithmetic Operations and Circuits Comments

  • Question
  • In VHDL, the architecture declaration always begins with the ________ of variable signals or components that will be used in the concurrent description between BEGIN and END.


  • Options
  • A. type
  • B. vectors
  • C. functions
  • D. declarations

  • Correct Answer
  • declarations 


  • Digital Arithmetic Operations and Circuits problems


    Search Results


    • 1. Subtraction of the 2's-complement system actually involves the operation of ________.

    • Options
    • A. multiplication
    • B. subtraction
    • C. addition
    • D. division
    • Discuss
    • 2. Negation is performed by simply performing the ________ operation.

    • Options
    • A. 1's-complement
    • B. sign
    • C. surrogate
    • D. 2's-complement
    • Discuss
    • 3. Packages are used to contain ________ and other information that must be available to all entities in the design file.

    • Options
    • A. types
    • B. vectors
    • C. components
    • D. variables
    • Discuss
    • 4. When subtracting 6 from 9 using 2's-complement methods, the ________ is 2's complemented before the addition.

    • Options
    • A. six
    • B. multiplier
    • C. nine
    • D. two
    • Discuss
    • 5. FC48 ? AB91 = ________.

    • Options
    • A. 5B77
    • B. 5267
    • C. 50B7
    • D. 5077
    • Discuss
    • 6. A ferromagnetic material is one that forms a resistance to magnetic fields.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. A counter has a specified sequence of states, but a shift register does not.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. To transmit parallel data over a serial cable, the data must first go through data conversion to the serial format.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. Using separate serial inputs for shifting left or shifting right is a major difference between the 74194 and other shift registers.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. One of the stages in a register consists of a latch.

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


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