Wednesday, December 8, 2010

there are different hard drives of a computer

What is a hard drive? Often people think a hard drive is their entire computer system as they see it, and others think that it is something hard or solid in the computer. It actually is a storage device inside your computer, and yes, it is hard. . This is hiding inside your computer and is where all your data is stored when you save it. You may never see your hard drive unless you happen to open up your computer to fix a problem. A hard drive is merely one of the many components that contribute to your computer system as a whole.

What is the difference between Hard disk and Hard drive?

It can be confusing when someone is talking about a hard drive and you call “it” a hard disk or hard disk drive. You think to yourself “what are they talking about?” Well this is crazy, but they are talking about the same thing. A hard disk and a hard drive have been made up over the years. Originally the main storage device was called a hard disk and we had floppy disk drives. Eventually the words got mixed up and blended.. That’s my theory anyway.

3.5″ Desktop Hard disk drive:

The picture below shows a 40 gigabyte (the size or capacity) hard drive, 7200RPM (the speed or revs per minute). The 3.5″ hard drive is pictured on the left. We used to only have one option when buying a hard drive, however now there are three or more types to choose from. See more pictures of hard drives.

2.5″ Laptop Hard disk drive:

A laptop hard disk drive is considerably smaller than a normal desktop hard drive and also cost more. If you wanted to buy a 500gb laptop hard drive it would be very expensive, whereas a 500gb desktop hard drive is around $100. See more laptop hard drives.
desktop and laptop hard drive

Cd rom or DVD Drive:

dvd cd disc drive
This is where you put a cd rom or a DVD disc in. It could be a drive that can also read and write on cds or DVD disks. Plain old Cd roms are nearly obsolete as everyone now wants a DVD burner.. With dvd rom drivesyou can backup your dvd’s onto a DVD writeable disc. There is no point buying a cd rom when dvd rom drives are the same price and have more features.

Floppy disk drive:

This is the smaller drive that takes those little plastic square shaped disks. They are rarely used now as they are no longer needed for a boot disk if you have a cd rom or DVD burner. In fact most new computers are sold without a floppy disk drive as they are obselette.
Floppy disc drive Floppy drive

External Hard drive:


An external hard drive can come in two sizes like the desktop hard drive and the laptop hard drive. After all an external hard drive is just a case housing one of these hard drives. So if you have a 2.5″ external hard drive , this means it contains a laptop hard drive.
Now days we every second household owns an external hard drive. They are used to store files on safely away from the computer you are working on. For example, you can save your photos onto an external hard drive and if your computer crashes they will still be safe because they are not stored on your computer. There is no excuse if you do not own one of these fantastic storage devices as you can buy a 1 TB external hard drive for well under $100. That size hard drive can hold thousands of movie, songs, and more… It will store everything.
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external hard drive disk
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