ISRO | ISRO CS 2008 | Question 62

Consider a logical address space of 8 pages of 1024 words mapped into memory of 32 frames. How many bits are there in the logical address?
(A) 13 bits
(B) 15 bits
(C) 14 bits
(D) 12 bits


Answer: (A)

Explanation: logical address space = 8 pages of 1024 words
number of bits in logical address space = p (page bits) + d (offset bits)
number of bits = log₂8 + log₂1024 = 3 + 10 = 13 bits

Option (A) is correct.

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