what is the imac operating system called

Therefore, here in this case operating system can bring order byīuffering all the output destined for the printer on the disk. In this way, the printout result of all the three programs would be chaos. Then the firstįew lines might be from the first program, second program, or third program and the next few lines might also be from the first program, second All tied to print their output simultaneously on the same printer. Let's imagine that three programs present on some computers. Operating system basically provides a variety of services that programs can obtain using special instructions called system calls. The operating system's function is to present the user with the equivalent of an extended or virtual machine, that is easier to program than Operating System as Extending the Machine operating system as extending the machine.

Operating systems perform the following two functions:

Without an operating system, application programs and computer hardware is nothing and users can't do anything their computing tasks. Through operating system, user/programmer can use their application program to communicate with computer components to perform their required The computer hardware components and the application softwares. Operating system is basically a system program which is a medium between all

What is the imac operating system called