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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What is the most common spindle speed for a magnetic hard drive?
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5400RPM
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15000RPM
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7200RPM
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20000RPM
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Explanation:
Detailed explanation-1: -Mobile HDDs spin at 4, 200 rpm, 5, 200 rpm, 5, 400 rpm, or 7, 200 rpm, with 5, 400 rpm being the most common.
Detailed explanation-2: -7200 RPM hard drives’ advantage is the high performance. Typically, the more the hard drive RPM, the faster the hard disk. Therefore, 7200 RPM hard drives are usually faster than 5400 RPM hard drives.
Detailed explanation-3: -Platters-The platters typically spin at 3, 600 rpm (rotations per minute) or 7, 200 rpm while the drive is operating. These platters are manufactured to amazing tolerances and are mirror-smooth.
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