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_________ is the time from when a read or write request is issued to when data transfer begins.

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_________ is the time from when a read or write request is issued to when data transfer begins.

(a) Access time

(b) Average seek time

(c) Seek time

(d) Rotational latency time

This question was posed to me in an interview for internship.

My question is based upon Magnetic Disk and Flash Storage topic in division Storage and File Structures of Database Management

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Right option is (a) Access time

Best explanation: To access (that is, to read or write) data on a given sector of a disk, the arm first must move so that it is positioned over the correct track, and then must wait for the sector to appear under it as the disk rotates.

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