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Home Electronics Arithmetic Operations and Circuits Comments

  • Question
  • The 1's complement of 1010102 is _________.


  • Options
  • A. 0101102
  • B. 0101012
  • C. 1101112
  • D. 1010112

  • Correct Answer
  • 0101012 


  • Arithmetic Operations and Circuits problems


    Search Results


    • 1. One advantage of using the 2's complement system to represent signed numbers is that you ___________.

    • Options
    • A. can perform subtraction by performing addition
    • B. can perform addition by performing subtraction
    • C. can perform division through repeated subtraction
    • D. none of the above
    • Discuss
    • 2. Two 4-bit adders could be cascaded to form a(n) ___________.

    • Options
    • A. 16-bit parallel-adder circuit
    • B. 8-bit parallel-adder circuit
    • C. full-adder circuit
    • D. arithmetic-logic unit
    • Discuss
    • 3. In binary number systems the sign of a number is indicated by _________.

    • Options
    • A. using a 0 (zero) bit in front of negative numbers
    • B. inverting the bits if the number is negative
    • C. including a sign bit along with the magnitude bits
    • D. placing a negative sign in front of the number
    • Discuss
    • 4. An input to the mode pin of an arithmetic-logic unit (ALU) determines if the function will be _________.

    • Options
    • A. one's complemented
    • B. positive or negative
    • C. with or without carry
    • D. arithmetic or logic
    • Discuss
    • 5. All digital systems that perform arithmetic operations must indicate _______ and ________ for numbers.

    • Options
    • A. size, base
    • B. sign, magnitude
    • C. sign, base
    • D. magnitude, base
    • Discuss
    • 6. The bits of a number that tell how large the number is are called ____________________.

    • Options
    • A. carry bits
    • B. magnitude bits
    • C. sign bits
    • D. most significant bits
    • Discuss
    • 7. Incorrect codes are a form of output error for a digital-to-analog converter (DAC).

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. The key advantage of the successive approximation analog-to-digital converter (ADC) is its conversion speed.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. In a binary-weighted digital-to-analog converter (DAC), the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. A sample-and-hold circuit samples an analog value and holds it long enough for the analog-to-digital conversion to occur.

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


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