Which of these is the most flexible and reliable secondary storage device?
1. DVD drive
2. Magnetic tape drive
3. CD-ROM drive
4. Zip drive
1
Rationale: Correct. The most flexible and reliable secondary storage device is DVD drives; they can read CD disks as well. Zip drives are used to store and transfer data but storage is limited. Magnetic tape drives store data and can be used to back up or transfer data.
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