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The speed of integer arithmetic of Pentium is increased to a large extent by

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in Microprocessor by (39.4k points)
The speed of integer arithmetic of Pentium is increased to a large extent by

(a) on-chip floating point unit

(b) superscalar architecture

(c) 4-stage pipelines

(d) all of the mentioned

The question was posed to me during an interview for a job.

My question is taken from Features of 80586 (Pentium), Concepts of Computer Architecture, Branch Prediction topic in chapter Recent Advancements in Microprocessor Architecture of Microprocessor

1 Answer

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by (49.2k points)
Correct answer is (c) 4-stage pipelines

The explanation is: The Pentium has two integer pipelines, U and V, where each one is a 4-stage pipeline. This enhances the speed of integer arithmetic of Pentium to a large extent.

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