Operating system

Operating system

1. Functions

   • Interface
     • Provides a user interface so it is easy to interact with the computer.
   • Manages
     • The CPU
       • Runs applications and executes and cancels processes.
     • Memory
       • Transfers programs into and out of memory, allocates free space between programs, and keeps track of memory usage.
     • Peripherals
       • Opens, closes and writes to peripheral devices such as storage attached to the computer.
   • Multi-tasks
     • Allows multiple applications to run at the same time.
   • Organises
     • Creates a file system to organise files and directories.
   • Security
     • Provides security through user accounts and passwords.
   • Utilities
     • Provides tools for managing and organising hardware.

2. GUI Common Features

   • Mobile
     • Icon driven
   • Console
     • Icon driven
   • Pc
     • The ability to search
     • Icon driven
     • Menu driven