INPUTOUTPUT AND STORAGE DEVICES
STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Compact disc
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Dual-layer, Single-sided DVD
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Dual-layer, Double-sided DVD
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Single-layer, Single-sided Blu-ray disc
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Detailed explanation-1: -Option (D) Among the optical storage devices, the blu-ray disk has the highest memory capacity. As the one layered and one-sided blu-ray disc can possess the data up to 50 GB and the double-sided blu-ray hold just double data. Therefore, this is the right option choice.
Detailed explanation-2: -The most common types of optical storage media include CDs, DVDs, and Blu-ray discs (Brain).
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. This means it can burn smaller pits on the disk and so it has even more storage capacity than a DVD.