Question

what do you mean by taking of backup of data ? why is it required​

Answer 1

Back up of data; Always keep copies of personal data in addition media such as compact discs,pen drives,etc. This could be helpful in situations when there is a loss of data.The data should be kept away from unauthorized users.

Answer 2

Answer: Backing up of data is a way or securing your information.

Explanation: Backing up simply means saving of data/information for avoiding any loss.

Viruses and other malwares very often try to destroy the data and just to avoid an unfortunate loss it is important for the data to be backed up.