utility software

utility software

1. defragmentation- it puts broken up files back together. it also reorganises data on the hard drive to put fragmented files back together. it moves files to collect all the free space together. this is to prevent further fragmentation

2. Backup utilities- A backup is a copy of a computer system's files stored externally. this means that data can be recovered in the event of data loss.

3. compression software- it reduces the size of files so that they take up less disk space. it also makes files quicker to download.

4. Encryption software- it scrambles data to stop third-parties from accessing it. Encrypted data can be decrypted using a special key.

5. anti-virus- it detects, prevents and removes viruses from a computer. they haveve an auto-update feature that prevents the computer from downloading new viruses