IES070101-TUTORIAL3

20 CORE FUNCTION OF OPERATING SYSTEM

1. Operating system is the system that makes the computer works.
2. Operating system managed the order in computer that the early task must be complete before the other is being run.
3. It helps to run computer software and hardware.
4. It controls the backing store and peripherals such as disk drives and printers
5. It give the interface between computer and users such as the graphical user interface(GUI) .
6. Operating system make us can transfer data from computer to secondary storage.
7. It recognized input and sending output.
8. It help to track files and directory that we do not have to find our document manually and save our time.
9. It is responsible for security that other user that is unauthorized cannot get to the systems .
10. It deals with errors and user instructions.
11. It organizes the use of memory between programs
12. It organizes processing time between programs and users
13. It organizes priorities between program and users
14. It handle the details of the operation of the hardware.
15. It acts as a link between applications and hardware, and to allow you to manage resources, files and such.
16. It controls the memory and graphics and sound cards and also used to access memory and do stuff with it.
17. It is what allows the computer to boot up and process all other commands and programs.
18. Establishment and enforcement of a priority system. That is, it determines and maintains the order in which jobs are to be executed in the computer system.
19. It is automatic transition from job to job as directed by special control statements.
20. It management the processor that the operating system is responsible for managing allocation of the processor between the different programmes using a scheduling algorithm.
21. It manage the random access memory that is responsible for managing the memory space allocated to each application and, where relevant, to each user.