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Number System MCQs

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  • 1. Computers use the _____ number system to store data and perform calculations.
  • filter_dramaExplanation
    Answer is : D
    None.
  • 2. Instructions and memory address are represented by
  • filter_dramaExplanation
    Answer is : B
    None.
  • 3. Which of the following is the 1's complement of 10?
  • filter_dramaExplanation
    Answer is : A
    None.
  • 4. The binary system uses powers of
  • filter_dramaExplanation
    Answer is : A
    Binary representation, just because it only uses two digits has an interesting interpretation. Binary representation of a number is a sum of powers of 2. A power of two is included into the sum if the corresponding digit in the representation is 1.
  • 5. Binary numbers need more places for counting because
  • filter_dramaExplanation
    Answer is : C
    None.
  • 6. The radian of a number system
  • filter_dramaExplanation
    Answer is : C
    None.
  • 7. The 2's complement of a binary no. is obtained by adding.....to its 1's complement.
  • filter_dramaExplanation
    Answer is : B
    None.
  • 8. A number that is used to control the form of another number is known as
  • filter_dramaExplanation
    Answer is : B
    A number that is used to control the form of another number is known as mask.
  • 9. A number which is stored and processed but not in the standard exponential form is called
  • filter_dramaExplanation
    Answer is : B
    In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after the radix point. Fixed-point number representation can be compared to the more complicated floating-point number representation.
  • 10. Binary numbers need more places for counting because:
  • filter_dramaExplanation
    Answer is : D
    Binary number. In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one) and two. They also call it base 2. The base-2 numeral system is a positional notation with a radix of 2.
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