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List the advantages of Optical discs as secondary storage media.

List the advantages of Optical discs as secondary storage media.

Answers

Kavungya
(i). Have very high storage capacities. This enables them to be used for multimedia applications.
(ii). Have relatively high access speeds.
(iii). Are Non-volatile, i.e. information kept in them is permanent. Therefore, they are more secure against alteration.
(iv). Are cost effective (cheap) especially if used for large storage volumes.
(v). They are robust – they resist temperature, electromagnetic fields, and not affected by water or dust.
(vi). Have very high data transfer rates.
Modern CD-ROM drives have data transfer rates of between 150 – 4,800 KB/second.
(vii). Some Optical discs allow data to be written to them a no. of times, e.g., CD-RW.
Kavungya answered the question on April 2, 2019 at 07:06

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