The computer system is subject to defects and failures. It may be affected by different factors like virus attack, power failures, crash etc. This may cause serious issues to the data that are saved in the computer. Like if the hard drive of a computer fails or the operating system crashes or some other faults occur this will result in data loss which is stored in the system. If the stored information is an important one then the user has nothing to recover. Hence, precaution is needed for this issue.…
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