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For floating point operations, the bits used by mantissa in a floating point register is

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in Microprocessor by (39.4k points)
For floating point operations, the bits used by mantissa in a floating point register is

(a) 32

(b) 64

(c) 72

(d) 79

This question was addressed to me in exam.

Question is from Enhanced Instruction Set of Pentium, Intel MMX Architecture in chapter Recent Advancements in Microprocessor Architecture of Microprocessor

1 Answer

0 votes
by (49.2k points)
Correct choice is (b) 64

Easy explanation: For floating point operations, 64 bits are used for the mantissa, and the rest 16 bits for exponent.

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