What does "backing up" data mean?

• A. Transferring data to a new device
• B. Creating a copy of data to protect it from loss
• C. Deleting unused files from a computer
• D. Compressing files to save space

Answer: (B)

Backing up data refers to the process of creating a copy of data to safeguard it against potential loss. This could be due to various reasons such as hardware failure, accidental deletion, corruption, or even malicious attacks like viruses. By having a backup, individuals and organizations can restore their important files and information when needed, ensuring that critical data is not permanently lost.

Creating backups is an essential part of data management and helps in maintaining data integrity over time. It is typically performed on external devices, cloud storage, or dedicated backup drives, where duplicates of vital files are stored securely. This practice not only protects data but also provides peace of mind, knowing that there are measures in place to recover information when necessary. Other options, such as transferring data to a new device, deleting files, or compressing files, do not capture the core purpose of backing up data, which focuses specifically on protection against loss.