COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

STORAGE DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these are optical storage?
A
DVD
B
CD
C
DVD-RAM
D
Blu Ray
Explanation: 

Detailed explanation-1: -Blu-ray. The Blu-ray disk has emerged as clear leader in today’s optical storage market. Unlike CDs and DVDs, which use a red laser to read and write data, a Blu-ray disk uses a blue laser, which dramatically increases capacities and data transfer rates over CDs and DVDs.

Detailed explanation-2: -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-3: -CD-ROM devices. DVD devices. Directly attached optical media library devices. LAN-attached optical media library devices. Virtual optical devices. RDX. Flash drives.

Detailed explanation-4: -CD-ROM (Compact Disc Read-Only Memory) DVD (Digital Versatile Disc) Blu-ray Disc (BD-ROM, BD-R, BD-RE) HD DVD (High Definition Disc Read-Only Memory – Part of a redefined DVD format not including optical layer and already obsolete since 2006 )

There is 1 question to complete.