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Question
Which one of the following in an example of optical storage device?
Hard Disk
CD ROM
RAM
CPU
ANSWER : 2
Descrption
<p>IBM defines optical storage as "any storage method that uses a laser to store and retrieve data from optical media.</p> <p>" Britannica notes that it "uses low - power laser beams to record and retrieve digital (binary) data.</p> <p>" Compact disc (CD) and DVD are examples of optical media.</p>
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