A hard disk with 20 surfaces will have heads.

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Mr. Dubey

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📊 Computer Architecture

Q. A hard disk with 20 surfaces will have heads.

(A) 10
(B) 5
(C) 1
(D) 20

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✅ Correct Answer: (D) 20

Explanation: each surface will have its own head to perform read/write operation.

Explanation by: Mr. Dubey

each surface will have its own head to perform read/write operation.

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