A computer has 32 MB memory. How many bits are needed to access any single…
2018
A computer has 32 MB memory. How many bits are needed to access any single byte in the memory?
Answer: A. 25 — 1 MB=2 20 bytes 32 MB=32×2 20 =2 5 ×2 20 =2 25 To address 2 25 bytes, we need 25 address bits
- A.
25
- B.
16
- C.
24
- D.
20
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Correct answer: A
1 MB=2 20 bytes
32 MB=32×2 20 =2 5 ×2 20 =2 25
To address 2 25 bytes, we need 25 address bits
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