External Storage Explained: All You Need to Know about External Storage Systems

External storage systems are devices that are notthicker and heavier than floppy disks.
permanently fixed inside the computer but can storeAdvantages: They offer a wide range of storage
files for later use. They are designed to be plugged inoptions and include backup options. They are
or inserted into the computer to function. Someportable, as well.
examples of external storage devices are CD, flashDisadvantages: They are generally costly and require
drives, and external hard disk drives.investment, both in the hardware and the zip disks.
For a more elaborate explanation of the types ofCD-RW and CD-RW Drive
external storage devices, take a quick look on theA CR-RW is a readable and writable compact disc. By
following items:writable, it means that data can be stored through it
External Hard Disk Drive (HDD)through the process called “data burning”. To
External hard disk drives are portable, removablebe able to burn data into a CD, a CD-RW drive is
drives that you can carry along with you to storerequired.
files or transfer files from one computer to another.Advantages: CD-RW disks can be used repeatedly,
They are often designed with a USB port where onemeaning you can use just one disk and overwrite
end of a USB cable is to be plugged in, while thedata in it. They are relatively inexpensive and very
other end is to be connected to the computer.portable.
Advantages: They are portable and usually come inDisadvantages: Most CD-RW disks can hold up to
large memory size.700MB of data only. Moreover, to be able to store
Disadvantages: They are generally costly and are bigdata in a CD-RW disk, your computer must have a
enough not to fit into small pockets.compatible drive first.
USB Flash DriveDVD-RW and DVD-RW Drive
USB flash drives are small storage devices that youDVD-RW works the same as CD-RWs, where data
plug into a computer’s USB port to function.can be stored and burned through DVDs using a
After that, you can easily store and transfer filesDVD-RW drive. DVD-RW disks, however, can carry
from and to the computer. They come in a widelarger amount of data and produce greater quality.
variety of shapes and sizes and are available in AppleAdvantages: They offer more flexibility as they burn
stores.twice as fast and as efficient as CD burners. They
Advantages: They are very portable that you canstore up to a few MB of data. Finally, they are also
keep it inside your pocket, and are generallyportable and easy to use.
affordable.Disadvantages: You can only burn data in a DVD-RW
Disadvantages: Most USB flash drives can only holdif your computer comes with a DVD-RW drive.
up to 8GB of data files. With their small size, theyYou actually have a lot of choices when it comes to
can easily be misplaced.external storage devices. While each has its own
Zip Driveadvantages and disadvantages, you are sure that
Zip drives are disk drives that make use ofone or two can actually provide you with your digital
removable Zip disks in storing large sizes of data.storage needs. Purchase one at your favorite Apple
They look like a floppy disk drive, but what youstore or computer shop and start organizing your
insert is a zip disk and not a floppy disk. Zip disks aredigital stuffs!