| At the present time it is hard to conceive our living without personal computers. We use them in business and for amusement. Communication with friends, watching films, listening to music, playing games and various other operations are presented by computers. Personal computers are strongly linked to computer data. Data are commonly stored on the HD of the personal computer, but it's strongly recommended to get a copy of all the important info on other information storage medium. It'll guarantee the safety of this info in case of problems with the hard disk.
There are several types of recording media. The most widespread amidst them are magnetic tapes, hard disc, digital versatile and compact discs and flash memory disks. All these media have their pluses and minuses. It's up to you to decide what recording medium to select in order to save your backup info.
Magnetic tape used to be the most popular medium for info storage. It represents an access medium, therefore the access time is rather slower than in case you use hard disk. But at the same time continuous writing and reading are as a rule much faster. With the invention of new recording mediums magnetic tapes have become obsolete, but nevertheless they are in use in special situations, because they are amongst the most reliable data media.
One more type of information storage media is optical disc backup system, usually referred to as CDs and DVDs. This system is efficient and easy in application. An important plus of these disks is that information can be saved to and read from these disks almost on any machine with a standard CD-ROM and DVD-ROM drive.
Flash memory disk backup system, represented by USB, Memory Stick and SmartMedia and others, represents the following step of data storage development. These gadgets are portable, easy to apply and able to store a great amount of information. All the modern computers possess facilities to read data from such disks. Their only disadvantage is high cost comparing to magnetic tapes and optical discs. But at the same time flash disk system is the most convenient and reliable information storage medium. |