Explain three causes of data loss or program corruption in a computer system.

Answer:

-Computer virus: they may cause changes, deletion of data and blockage to data access.
-Unauthorized access: unauthorized users may cause changes, deletion of data and blockage to access data.
-Computer errors: may cause crushing of storage locations, wrong processing, and changes of the file types leading to inaccessibility.
-Accidental erasures: they lead to deletion of files.
-Vandalism: taking away of computer files and parts without permission.
-Crashing of hard disk: leads to deletion of files.
-Power failure: may lead to loss of unsaved files and corruption of storage
locations.

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