Zacchaeus Snape
Quiz by , created more than 1 year ago

A quiz to test your knowledge of floating point numbers. This quiz uses 16 bits for the floating point number, with 10 bits used for the mantissa and 6 for the exponent.

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Zacchaeus Snape
Created by Zacchaeus Snape over 6 years ago
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  • A level Computing: Floating Point Numbers

    Question 1 of 5

    1

    Work out the binary floating point for: 5.625

    Select one of the following:

    • 0000000101 0101

    • 0000000011 0111

    • 0000000101 1101

    • 1000000101 1011

    Explanation

    Question 2 of 5

    1

    A 1 at the beginning of a mantissa means the number is positive

    Select one of the following:

    • True
    • False

    Explanation

    Question 3 of 5

    1

    Write the binary floating point number 0100100011 1011 in denary

    Select one of the following:

    • 547

    • 9.046875

    • 9.25

    • 1028

    Explanation

    Question 4 of 5

    1

    What is the denary equivalent of an exponent of 1111?

    Select one of the following:

    • 15

    • 7

    • -1

    • -4

    Explanation

    Question 5 of 5

    1

    A negative exponent means you move the decimal point to the left

    Select one of the following:

    • True
    • False

    Explanation