COMPUTER ARCHITECTURE
SECONDARY STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How is data stored in optical storage?
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In the CPU
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In ‘marks’ arranged in patterns
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In different patterns of magnetisation in a magnetisable material to store data (tape/hard disk).
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Using a large electric current to force electrons through a barrier and trapping them in position.
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Explanation:
Detailed explanation-1: -Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disc.
Detailed explanation-2: -CD-ROM devices. DVD devices. Directly attached optical media library devices. LAN-attached optical media library devices. Virtual optical devices. RDX. Flash drives.
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