A hard disk with 20 surfaces will have heads.

M

Mr. Dubey • 52.30K Points
Coach

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

(A) 10

(B) 5

(C) 1

(D) 20

Correct : Option (D)

Explanation:

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

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