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A __________ is the smallest unit of information that can be read from or written to the disk.

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A __________ is the smallest unit of information that can be read from or written to the disk.

(a) Track

(b) Spindle

(c) Sector

(d) Platter

This question was posed to me in an internship interview.

This is a very interesting question from Magnetic Disk and Flash Storage in section Storage and File Structures of Database Management

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Best answer
Correct choice is (c) Sector

Best explanation: The disk surface is logically divided into tracks, which are subdivided into sectors.

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