Question

what is meant by backup​

Answer 1

Answer:

a copy of a file or other item of data made in case the original is lost or damaged.

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Answer 2

Answer:

Explanation:

In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is "back up", whereas the noun and adjective form is "backup".

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