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The size of a general purpose floating point register of floating point unit is

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The size of a general purpose floating point register of floating point unit is

(a) 4 bytes

(b) 40 bytes

(c) 8 bytes

(d) 80 bits

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

1 Answer

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Right choice is (d) 80 bits

Explanation: There are eight general purpose floating point registers in the floating point unit. Each of these eight registers are of 80-bits width.

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