What is the average access time of a hard disk typically composed of?
A. Seek time + Rotational latency + Transfer time
B. Seek time + Rotational latency
C. Rotational latency + Transfer time
D. Seek time + Transfer time
Answer: Option A
Solution (By JKSSB Mock Tests)
The average access time for a hard disk is the sum of seek time (head movement), rotational latency (waiting for sector), and transfer time (reading/writing data).
Explanation:
Magnetic tapes require data to be read or written sequentially from beginning to end, unlike random-access devices like HDDs, SSDs, and CDs.
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