COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

SECONDARY STORAGE DEVICES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A Blu-ray can hold less data than a CD?

A	False
B	True
C	Either A or B
D	None of the above

Explanation:

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: -The Blu-ray Disc is able to store 50 GB (single-side, double-layer disc) of data, as compared to the 4.7 GB (gigabytes) of the DVD disc. This is enough to record more than four hours of high-definition video with 7.1-channel surround sound onto a single disc..

Detailed explanation-3: -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.

There is 1 question to complete.