COMPUTER FUNDAMENTALS

INPUTOUTPUT AND STORAGE DEVICES

STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of optical media comes with built-in encryption?
A
CD
B
DVD
C
DVD-RAM
D
Blue-ray disks
Explanation: 

Detailed explanation-1: -Blu-ray is an optical disc format like CD and DVD. Blu-ray discs can hold more information than other optical media, because of the blue lasers that the disc drives use. A single Blu-ray disc can hold up to 25GB of data.

Detailed explanation-2: -A Blu-ray disk (BD) is a high-capacity optical disk medium developed for recording, rewriting and playing back high definition video. It can store large amounts of data and was designed to supersede the DVD.

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