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For the backup of data, many data storage media can be used. However, if proper care of the backup media is not taken, then loss of backed up data may occur. Let us have a look at each of the storage media and evaluate the advantages and disadvantages of each of them. Also, let us consider some useful tips for taking care of the backup media.
CDs and DVDs
These are popular among the home-users for storage of data. They can be used to store movies, videos, photos, documents etc.
Advantages
- The primary advantage of CDs and DVDs is that they are cheap and hence can be afforded by most home users.
Disadvantages
- The major disadvantage of CDs and DVDs is that they are easily damaged, when mishandled. Scratches on either side of their surfaces can lead to data loss.
Taking Care of CDs and DVDs
- One should always handle them carefully and prevent scratches on their surfaces. Preferably, they should be used in a dust-free environment.
USB Flash Drives
Flash drives are handy devices that can store a large amount of data. This is one of the reasons for their popularity in today's world.
Advantages
- They are small in size and, hence, easy to carry about. Also, they can retain data for longer periods of time (over 10 years).
Disadvantages
- Flash drives of a good quality are expensive. Hence, their use for backup of excessively large amount of data is not viable.
Taking Care of USB Flash Drives
- The USB flash drives are sturdy devices. However, one should handle them with some amount of caution.
Portable Hard Disk Drives
These again have become popular for backup of data.
Advantages
- The major advantage of portable hard disk drives is the amount of storage space they offer. Due to this high storage space, usually one such device is sufficient for storage of all the data you need to back up. The storage capacities range from 40 GB to over 250 GB.
Disadvantages
- The portable hard disk drives are somewhat expensive.
Taking Care of Portable Hard Disk Drives
- The hard drives should be protected from any shocks or falls and should be handled carefully.
The Final Word
The devices mentioned above are some of the popular data backup media. One should always ensure that these devices used for data backup are handled with care. This can ensure that the backed up data remains safe and is readily available in case of loss of original data.
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