Functions of Operating Systems

Functions of Operating Systems

1. Multi-tasking / Processing Management

   • Allowing the user to perform more than one task at any time. Allocating jobs to the processor

2. Security

   • Allowing only certain users to certain programs. Use of usernames and passwords. Access levels - certain users are allowed to do certain things. EG. Teacher uses YouTube , Students can't

3. Memory Management

   • Managing and allocating memory to programs that need it and free it if no longer needed...put the memory in the RAM or not

4. User Interface

   • How the user and computer system interact with each other. How to give commands - usually GUI's (Graphical User Interface)

5. Peripheral Management

   • Identifies the peripheral device and connects it to and works with the computer in some way