explain the advantages and disadvantages of optical drives, external hard drives, tape drives, USB, and RAID

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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explain the advantages and disadvantages of optical drives, external hard drives, tape drives, USB, and RAID

Expert Solution
Optical Drives

Advantages :

  • Optical disks are comparatively more durable than any of the Volatile and memories that are non-Volatile. It last long for many years and retains the data.
  • These disks usually provides a level that is high of. They are not prone to electromagnetic fields or any other sorts of environmental influences.


Disadvantages:

  • As compared to other storage devices, Optical disks cost more per GB/TB and they also to don’t have a lot of storage capacity when compared with them.
  • Due to its size, it makes it tough to handle and is needed to be protected from the loss or theft.
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