Question

Generally there are __________bytes in a sector.

(a) 64

(b) 128

(c) 256

(d) 512

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

I'd like to ask this question from Magnetic Disks in chapter Secondary Storage Devices of Computer Fundamentals

Answer 1

Correct option is (d) 512

To explain I would say: Each track of a disc is divided into sectors. A sector typically contains 512 bytes. Disk drives are designed to read/write only whole sectors at a time.