Multiple choice

Which of the following has the highest data density?

  1. Floppy disk

  2. DVD

  3. Tape drive

  4. Hard disk

  5. CD
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hard disks have the highest data density among listed options, using magnetic storage with tracks and sectors that can store bits extremely close together. DVDs and CDs have lower density than modern hard disks. Floppy disks are obsolete with very low density. Tape drives have high capacity but lower density than hard disks.

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