COMPUTER HARDWARE
STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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CD
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DVD
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Blu-ray
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None of the above
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Detailed explanation-1: -A CD can store up to up 700 megabytes (MB) of data. A single-layer DVD can hold 4.7 gigabytes (GB) of data, and a double-layer disk can hold 8.5 GB. A single-layer Blu-ray disk can store 25 to 33.4 GB of data, and a quad-layer Blu-ray disk can store up to 128 GB of data.
Detailed explanation-2: -A single-layer disc can hold 25GB. A dual-layer disc can hold 50GB.
Detailed explanation-3: -A Blu-ray disk is an optical storage device similar to CD and DVD technology. It also uses a laser to read and write to the disk, but instead of a red laser beam, as used in DVD and CD, it uses a blue-violet laser beam.
Detailed explanation-4: -The Blu-Ray disc (BD)format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. This format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc.
Detailed explanation-5: -A compact disc(CD) can hold 650-700 MB data. DVD can hold 4.7-8.7 GB data where as Blu ray disc can hold from 25-50 GB Data.