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A computer system supports $32$-bit virtual addresses as well as $32$-bit physical addresses. Since the virtual address space is of the same size as the physical address space, the operating system designers decide to get rid of the virtual memory entirely. Which one of the following is true?

  1. Efficient implementation of multi-user support is no longer possible
  2. The processor cache organization can be made more efficient now
  3. Hardware support for memory management is no longer needed
  4. CPU scheduling can be made more efficient now
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6 Answers

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This question has made created doubt every time I see this question This is previous year gate question... According to me Answer Should be Option A) but everywhere The answer is given is option C)
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Computer organization, Carl Hamacher, 5e, page 294, it says "The virtual address space is mapped onto the physical memory where data are actually stored. The mapping function is implemented by a special memory control circuit, often called the memory management unit".

So most appropriate answer is C
Answer:

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