Question 57Asked in BPSC TRE 1.0 (2023) Computer Science Class 11-12

In memory mapped I/O

  1. Athe I/O devices and the memory share the same address space
  2. Bthe I/O devices have a separate address space
  3. Cthe memory and I/O devices have an associated address space
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (A) the I/O devices and the memory share the same address space

Explanation

In memory-mapped I/O, I/O device registers are given addresses in the same address space as memory. The same load and store instructions then access both.

From BPSC TRE 1.0 (2023) Computer Science Class 11-12 — Previous Year Paper

This is question 57 of BPSC TRE 1.0 (2023) 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.