A computer backup is a copy of important files and data stored on your computer. This process ensures that if something goes wrong, like a hardware failure or accidental deletion, you can recover your information. Backups can be saved on external devices, such as a USB drive or external hard drive, or in the cloud using services like Google Drive or Dropbox. Regularly backing up your computer is essential for protecting your valuable information, including documents, photos, and software. By creating backups, you can have peace of mind knowing that your data is safe and can be restored easily if needed.