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Negative & Floating-Point Binary

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  1. Question no 1 / 8
    1. Question
    1 point(s)

    In a 4-bit one’s complement system, which of the following correctly represents −6?
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  2. Question no 2 / 8
    2. Question
    1 point(s)

    What is the main drawback of using one’s complement to represent negative numbers?
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  3. Question no 3 / 8
    3. Question
    1 point(s)

    What decimal value is represented by the 4-bit two’s complement number 1110?
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  4. Question no 4 / 8
    4. Question
    1 point(s)

    What is −7 represented as a 4-bit two’s complement number?
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  5. Question no 5 / 8
    5. Question
    1 point(s)

    Which of the following is a correctly normalised mantissa for a positive binary floating-point number?
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  6. Question no 6 / 8
    6. Question
    1 point(s)

    A floating-point system uses an 8-bit mantissa and a 4-bit exponent, both in two’s complement. The bit pattern is 01010000 0010. What decimal value does this represent?
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  7. Question no 7 / 8
    7. Question
    1 point(s)

    A student wants to encode +3.5 as a normalised floating-point number using a 4-bit mantissa and a 4-bit exponent (both in two’s complement). Which bit pattern is correct?
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  8. Question no 8 / 8
    8. Question
    1 point(s)

    In a floating-point system with a fixed total number of bits, what is the effect of allocating more bits to the exponent and fewer bits to the mantissa?
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