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The unit that is responsible for carrying out all the floating point calculations, allotted to the coprocessor by 80386, is

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The unit that is responsible for carrying out all the floating point calculations, allotted to the coprocessor by 80386, is

(a) Central processing unit

(b) ALU

(c) FPU

(d) None of the mentioned

This question was addressed to me in an internship interview.

This intriguing question originated from Virtual 8086 Mode, The Coprocessor 80387 in chapter 32-bit Processors-80386, 80387 and 80486 of Microprocessor

1 Answer

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by (49.2k points)
Right choice is (c) FPU

For explanation I would say: The FPU (floating point unit) is responsible for carrying out all the floating point calculations, allotted to the coprocessor by 80386.

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