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Home Digital Electronics Digital Arithmetic Operations and Circuits Comments

  • Question
  • The VHDL compiler requires libraries to be specified at the beginning of the code if components from those libraries are being used.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Digital Arithmetic Operations and Circuits problems


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    • 1. 111010002 is the 2's-complement representation of ?24.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The solution to the binary problem 00110110 ? 00011111 is 00011000.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. BCD arithmetic is performed using base 10 numbers.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A full adder has a carry-in.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. A macrofunction is a self-contained description of a logic circuit with all of its inputs, outputs, and operational characteristics defined.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The range of negative numbers when using an eight-bit two's-complement system is ?1 to ?128.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. If no bits are designated inside square braces, [ ], it means the variable is the null set.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. ?910 represented in eight-bit two's-complement notation is ________.

    • Options
    • A. 11110111
    • B. 11111001
    • C. 11110110
    • D. 01111101
    • Discuss
    • 9. The circuit shown is a(n) ________.


    • Options
    • A. multiplexer
    • B. adder
    • C. comparator
    • D. converter
    • Discuss
    • 10. Solve this binary problem: 1001 × 1100 = ________.

    • Options
    • A. 01110001
    • B. 01111000
    • C. 01101100
    • D. 01101110
    • Discuss


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