What would you do if you turned off your computer and all your files were gone? What would you do if none of the programs worked or had also vanished?
This is stressful on a personal computer, but what if this happened on your work laptop? Or for your office?
Would you have to start from scratch? Or would you have copies of the data saved and ready to reinstall?
Backup and recovery systems safely store data from a designated timeframe in case data is erased or compromised.