| Now it is hard to conceive our living without PCs. We use them at work and for entertainment. Communication with people, listening to music, watching videos, playing games and different other operations are represented by computers. Personal computers are strongly associated with digital data. Data are generally stored on the HD of the personal computer, but it's strongly advised to have a copy of all the essential information on other information storage medium. It will guarantee the security of these data in case of trouble with the hard disk.
There are a few types of information storage media. The most popular amongst them are magnetic tapes, HD, digital video and compact discs and flash memory disks. All these data storage media have their pluses and minuses. It's up to you to take a decision what recording medium to choose so as to store your back up data.
Magnetic tape used to represent the most popular medium for information storage. It constitutes an access medium, so the access time is slower than in case you use hard disk. But at the same time continuous reading and writing are much faster. With the invention of new information mediums magnetic tapes have become obsolete, but they are still in use in special situations, because they are amid the most reliable data media.
One more type of data storage media is optical disc backup system, usually called compact disks and digital video discs. This system is effective and easy in use. An important plus of these disks is that the data can be saved to and read from these discs almost on any machine with a standard CD-ROM or DVD-ROM drive.
Flash memory disk backup system, including USB drives, Memory Stick and SmartMedia and others, represents the following move of information storage development. These gadgets are portable, easy to apply and able to save a lot of data. All the modern computers have facilities to restore information from such discs. Their only disadvantage is high price in comparison to magnetic tapes and optical disks. But at the same time flash memory disc backup system is the most convenient and reliable information storage medium. |