Question

The altering of data so that it is not usable unless the changes are undone is mcq

Answer 1

The altering of data so that it is not usable unless the changes are undone is known as encryption.

Encryption is the process of hiding of data  in such a way that only the authorized user who have the permission to access the data can only access it.

The password of the file is only given to some particular persons and only those persons can access the data.

Answer 2

encruption

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