1. Magnetic tape
  2. Punched card
  3. Disk storage unit
  4. Buffer
  5. None of the above
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1 Answers

Answer: Option 3

A random-access data storage device which gives rapid access to data is Disk storage unit. A disk drive is a device implementing such a storage mechanism. Notable types are the hard disk drive (HDD) containing a non-removable disk, the floppy disk drive (FDD) and its removable floppy disk, and various optical disc drives (ODD) and associated optical disc media.

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