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A disk has 8 surfaces, 1,024 tracks per surface, 128 sectors per track and 512 bytes per sector. What is its storage capacity?

2325Medium DSSSB TGT Computer Science 0 replies

A disk has 8 surfaces, 1,024 tracks per surface, 128 sectors per track and 512 bytes per sector. What is its storage capacity?

  • A256 MB
  • B512 MB
  • C1 GB
  • D64 MB
Correct answer: B

Explanation

Capacity = 8 × 1,024 × 128 × 512 bytes = 2²⁹ bytes = 512 MB.
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