A computer has 32 MB memory. How many bits are needed to access any single byte in the memory?
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Correct answer: (A) 25
Explanation
32 MB = 32 × 2²⁰ bytes = 2⁵ × 2²⁰ = 2²⁵ bytes, so 25 address bits are needed.
From DSSSB TGT Computer Science Practice Set 5
This is question 51 of DSSSB TGT Computer Science Practice Set 5. 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.