Multiple choice general knowledge science & technology

Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?

  1. Track number

  2. Sector number

  3. Surface number

  4. All of above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A complete disk address must specify the surface (which platter and side), track (which concentric circle), and sector (which segment of the track) to uniquely identify any data location. All three components are required for the disk controller to locate and access the correct sector.

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