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Question 110Asked in BPSC TRE 3.0 (2024) Computer Science Class 11-12

In a system with a page size of 4 KB and a physical address space of 64 GB, what is the number of bits required for the page offset?

  1. A10 bits
  2. B12 bits
  3. C14 bits
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (B) 12 bits

Explanation

The offset must address every byte in a page: 4 KB = 2¹² bytes, so 12 offset bits are needed. The 64 GB physical size affects only the frame number.

From BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper

This is question 110 of BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.