Which two of the following are the most common spindle speeds used by hard drives in today’s desktop and laptop computers? a. 3600b. 5400c. 7200d. 1e. 15000

b.5400

c. 7200

Explanation:

5400 revolutions per minute (rpm) and 7200 revolutions per minute (rpm)  are the most common spindle speeds used by hard drives in today’s desktop and laptop computers. Other speeds such as 10000 and 15000 rpm are also used in some context but relatively speaking 5400 and 7200 are the most common values. Higher the rpm value, higher will be the speed of access for the drive.

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