計算機組織與結構›Ch2 計算機算術(Arithmetic)
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4. IEEE 754、Floating-Point Representation
#CC-02-004中IEEE 754Floating-Point Representation

Given an IEEE754 single-precision representation format in the table below and the bias value as 127. Which of the following statements are correct?

8 bits23 bits
S | ExponentFraction
Values (single precision) Exp.FractionMeaning
000
0Non-zero+/- de-normalized number
1-254Anything+/- floating-point number
2550+/- infinity
255Non-zeroNaN (Not a number)
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