#WhatIs: What Is An External Hard Drive

An external hard drive is a portable storage device that can be attached to a computer through a USB or FireWire connection, or wirelessly. External hard drives typically have high storage capacities and are often used to back up computers or serve as a network drive

Storage is the hard drive’s responsibility. Everything you keep on your computer can be transferred and stored safely on an external hard drive. Not just documents, pictures, music and videos. Your programs, your preferences, even your operating system—can be stored on your external hard drive.

By TechnoMag Reporter

If your hard drive is damaged, you can lose it all. That’s the sad truth. Which is why it is important for one to have a back up system stored in your external hard drive .

Everything that can be saved on a hard drive is measured in terms of its size. Text is very small, pictures are larger, music is even bigger, and video is the biggest of the bunch.

External hard drives can also be used in the gaming sphere as transfer mediums for games a and other software required.

A hard drive is like a scale. It doesn’t know the difference between things that are on it; it only knows their size. But instead of kilograms, a hard drive measures things in terms of megabytes (MB), gigabytes (GB) and terabytes (TB.)

there various methods through which the external hard drive can be connected to your computer but USB the most common connection type. There’s no set-up at all. Just plug it in. The computer recognizes the drive, and you’re able to read and save files almost instantly.

FireWire Plug-and-play like USB, Firewire 800 is significantly faster, making it popular with those transferring video files. SATA This is the standard connection for internal hard drives. Offers the highest file transfer speeds of any format. eSATA A less common, high-performance connection most commonly found in PCs. An eSATA connection performs at speeds that most closely resemble an internal drive

it is of great importance to note that external drive performs different according to their brands but they can be life savers in situations were your PC has been attacked by a virus and crushed.

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