Functions of an operating system

Functions of an operating system

1. Utility software

   • Types
     • Anti-Virus software
     • Back-up software
     • File rename
     • Disk defragmentation
     • File repair
     • System information
     • File compression
     • File transfer
   • Advantages
     • Anti-Virus software- Keeps any harmful viruses off the computer
     • Back-up software- Backs up the files so if the computer crashes, they're safe
     • File compression- Keeps the file size as small as possible
     • File rename- Gives you the ability to rename any files
     • Disk defragmentation- splits files to create more space
     • System information- Gives you information on the computer so you can see any probelms needing to be fixed
     • File repair- Repairs any files that need fixing that could contain information desperatly needed.
     • File transfer-Allows more than one person to share a file

2. Input and Output systems

   • Input
   • Output
     • Mouse
     • Keyboard

3. Operating system- Allows the hardware to communicate with the software you can't touch.