| Backup copies recently are very important to make | | | | computer doesn't come with one, but in nowadays |
| your bussines successful an safe. There are many | | | | most of computers include this drive! CD discs is easy |
| different ways how to store backup copies. | | | | to damage! |
| The safest way from information security awareness | | | | *DVD-RW |
| viewpoint, of course, is save these copies on | | | | Short for DVD-ReWritable, a re-recordable DVD |
| external storage devices and put it as far as possible | | | | format similar to DVD+RW. The data on a DVD-RW |
| away from your office. | | | | disc can be erased and recorded over numerous |
| Here are some devices from which you can choose | | | | times without damaging the medium. |
| the best for your backup copies! | | | | Capacity: up to 4,7GB |
| *Floppy Disc | | | | Problems:You need to buy a DVD-RW drive if your |
| A floppy disc is a data storage device that is | | | | computer doesn't come with one! DVD discs is easy |
| composed of a disc of thin, flexible ("floppy") | | | | to damage! |
| magnetic storage medium encased in a square or | | | | *USB Flash |
| rectangular plastic shell. Floppy discs are read and | | | | A small, portable flash memory card that plugs into a |
| written by a floppy disk drive or FDD. | | | | computer's USB port and functions as a portable hard |
| Capacity: 1,44 MB (3½-inch disc), 1.2 MB | | | | drive. USB flash drives are touted as being |
| (5¼-inch disc) | | | | easy-to-use as they are small enough to be carried in |
| Problems: There can be saved only low capacity files! | | | | a pocket and can plug into any computer with a USB |
| To make backups for all files you need hundreds of | | | | drive - you don't need special recorder device. |
| floppy discs! Sometimes they just broken and all | | | | Capacity: 128MB - 8GB |
| information on them lost! | | | | Problems: Because of there size USB flash is easy to |
| *Zip Disc | | | | misplace! Keep this device with backup copies in safe |
| Similar to a floppy disc, but slightly larger. Cannot be | | | | and, for you, well known place. |
| used in the same slot that is used for floppies, and | | | | *Removable Hard Disc |
| also higher capacity Zip discs must be used in a drive | | | | A type of disc drive system in which hard disc are |
| with at least the same capacity ability. | | | | enclosed in plastic or metal cartridges so that they |
| Capacity: 100MB - 750MB | | | | can be removed like floppy discs. Removable disc |
| Problems: Discs are inconvenient for use because | | | | drives combine the best aspects of hard and floppy |
| there are different size of discs and also different | | | | discs. They are nearly as capacious and fast as hard |
| size of disc drive! They also not so diffuse as other | | | | discs and have the portability of floppy discs. |
| storage devices! | | | | Capacity: up to 20GB |
| *CD-RW | | | | Problems: All information are saved to one device, so |
| Short for CD-ReWritable disc, a type of CD disc that | | | | if something bad happen with this one device, all |
| enables you to write onto it in multiple sessions. | | | | information also is endangered! So better make more |
| CD-RW media can only be written in a CD-RW | | | | than one backup copy. |
| recorder, not in a simple CD recorder, though a | | | | All devices have some problems, but if backup copies |
| CD-RW recorder can also record standard CD-R discs. | | | | are make in right way and after that keep in safe |
| Capacity: up to 700MB | | | | place, you have really good chances recover your |
| Problems: You need to buy a CD-RW drive if your | | | | information in emergency condition!!! |