A level Computing: Floating Point Numbers

Question 1 of 5

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Work out the binary floating point for: 5.625

Select one of the following:

  • 0000000101 0101

  • 0000000011 0111

  • 0000000101 1101

  • 1000000101 1011

Question 2 of 5

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

Select one of the following:

  • True
  • False

Question 3 of 5

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Write the binary floating point number 0100100011 1011 in denary

Select one of the following:

  • 547

  • 9.046875

  • 9.25

  • 1028

Question 4 of 5

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What is the denary equivalent of an exponent of 1111?

Select one of the following:

  • 15

  • 7

  • -1

  • -4

Question 5 of 5

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

Select one of the following:

  • True
  • False
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A level Computing: Floating Point Numbers

zacchaeus
Quiz by , created over 2 years 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
Created by zacchaeus over 2 years ago
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