The operating system is a suite of program that control and manage the operation of a computer and its peripheral without or with least intervention of the operator.
With reference to the windows operating system, explain the following operations:
(i)Disk defragmentation
(ii)Back up.


Answer:

(i)Disk defragmentation is the process of re-arranging scattered files or folders in a disk in order to speed the access of data.
(ii)Back up is the process of creating duplicate of the original program file, folder or data so as to use it in case the original one get lost or corrupted.


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