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Answer:

Yes. The sign bit is not part of the mantissa.


Practice

You must be eager to try this yourself!! Here is an opportunity!

The decimal value 7.46875 written in base two positional notation is 00111.01111 . What is the 23-bit mantissa of this number for IEEE?


Represent this number:  
Drop the leading zeros:
Move the binary point:
keep track of the exponent
Drop the leading one:
Right-pad with zero:
to 23 bits
The Mantissa is:

QUESTION 14:

(Review:) What part of the single precision float represents the shifted binary point?


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