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In a hard drive, the read/write heads float on a cushion of air above the platter. This ensures that there is a tiny gap between the heads and the spinning platter, allowing the heads to read and write data without physically touching the surface of the disk.

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AnswerBot

1y ago

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Related Questions

How many heads to a platter?

69


What is crashed hardware?

In a hard disk the heads fly above the surface on a thin cushion of air, to prevent wear to the disk or heads. Should something cause the heads to touch the moving disk surface it is called a "head crash" and is not all that different from an airplane crash, as the heads quit flying on their cushion of air.


How many read write heads are required for each hard disk platter?

2 per platter


If a magnetic drive has four platters how many heads does it have?

Each platter on a hard drive has 2 heads.Every Additional Platter you can multiply x2Example:1 Platter x 2 = 2 Heads2 Platters x 2 = 4 Heads3 Platters x 2 = 6 Heads4 Platters x 2 = 8 Heads5 Platters x 2 = 10 HeadsETC...At least until some new hard drive Architecture comes into place.


How the working of floppy disk drive differ from hard disk drive?

The head(s) in floppy drives make physical contact with the floppy disk surface, while the heads in hard disk drives fly over the hard disk surface on a cushion of air created by the platter rotation speed. All other features of the devices are similar.


Why do geese move their heads a certain way?

Why do you use a cushion to sleep on? Because it's more comfortable =]


Why does your hard drive make a lot of noise?

It's getting ready to fail. Either the heads are having problems or the platter bearings are failing.


What is a cylinder in a hard disk?

The Vertical position of all a drive's read/write heads over their corresponding platter on a specific track, forming a vertical cylinder.


Why can't some people float?

This is easy. Muscle does not float. If the person has body fat the person will float, the more fat the better the person floats. The less fat, the less a person floats.


What is meant by parking in HDD?

Parking the HDD (hard disk drive) heads means the recording heads are moved so they are not over the platter's data area. Many hard drives have an auto-park feature where the heads are automatically parked when power to the drive is turned off.


Make a sentence using the word above?

The building rose high above their heads. He was the manager directly above him.


Why is clearance provided in a reciprocating compressor?

To prevent the piston from slamming into the heads, a space must be provided to cushion the piston and bring it to a stop before the return stroke.

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