COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

STORAGE DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these optical devices is best used to store high definition (HD) movies?
A
CD-RW
B
DVD
C
Blu-ray
D
CD-R
Explanation: 

Detailed explanation-1: -Notes: Blu-ray is a digital optical disc. It is capable of storing several hours of video in high-definition and ultra high-definition resolution.

Detailed explanation-2: -Blu-Ray discs are used in the same way as DVD-ROMs (see above) but, since they can hold more data, they are also used to store very high-quality, high-definition (HD) video.

Detailed explanation-3: -Blu-ray, optical disc data-storage format that is most often used for playback of high-definition (HD) video. Blu-ray represents the third generation of compact disc (CD) technology, after audio CDs and digital video discs (DVDs).

Detailed explanation-4: -Rather than using a red laser, a Blu-ray disk uses a blue laser, which significantly increases capacities and data transfer rates. Boasting storage of up to 25 GB, the Blu-ray was developed by a consortium that was again led by Sony.

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