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A Level Computer Science: Fixed and Floating Point Binary
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Fixed and floating point binary values, all in two's compliment
Terms in this set (18)
Denary: 1.75
Floating Point Binary: 01110 001
Denary: 2.25
Floating Point Binary: 01001 010
Denary: 1.375
Floating Point Binary: 01011 001
Denary: 0.40625
Floating Point Binary: 01101 111
Denary: 0.21875
Floating Point Binary: 01110 110
Denary: -1.25
Floating Point Binary: 10110 001
Denary: -2.75
Floating Point Binary: 10101 010
Denary: 6.125
Fixed Point Binary: 0110.0010
Denary: -1.625
Fixed Point Binary: 1110.0110
Denary: -0.0625
Fixed Point Binary: 1111.1111
Denary: -0.5
Fixed Point Binary: 1111.1000
Mantissa
The section of a Floating Point Binary value that represents the significant digits of the number
Exponent
The section of a Floating Point Binary value that informs how many places to move the decimal point (the number to the power of 2 to raise the mantissa by)
Normalisation
Maximising the range and precision of floating point binary values. Positive mantissas should start 01, negative mantissas should begin 10
Underflow
When the value is too small to be represented by the number of bits reserved for the data
Overflow
When the value is too large to be represented by the number of bits reserved for the data
Mantissa
The section of a Floating Point Binary value that represents the significant digits of the number
Exponent
The section of a Floating Point Binary value that informs how many places to move the decimal point (the number to the power of 2 to raise the mantissa by)
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