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In centralised tasks are done by one system and in distributed tasks are shared by the many computers
operating system
An operating system is a main program that serve as an interface between the users and the application programs.
The operating system.
There is no such thing as a "modern" operating system. All operating systems in existence build upon designs and structures conceived over 25 years ago. The operating systems themselves have only been updated to use newer hardware and perform some new tasks.
Devices that record precise results require a real-time operating system. This is the same kind of operating system needed for a device hat performs regimented tasks.
A server is basically a PC, but with a different operating system that allows it to perform server tasks. To change it to a PC, or a PC to a server, you only need to install the operating system corresponding to the tasks you want it to perform. If you put a partition on your hard drive you can even install both operating systems, and use the same computer as either a server or a PC depending on your needs
The functions of an operating system include booting the computer and performing basic tasks. The operating system manages the keyboard and mouse. It provides a graphical user interface.
The software that helps a computer perform essential operating tasks and enables other software to run is the operating system.
The functions of an operating system include booting the computer and performing basic tasks. The operating system manages the keyboard and mouse. It provides a graphical user interface.
An example of a multitasking operating system is the system at a school. You use many programs and do many tasks at the same time, so you are multitasking on the computer
Operating system is interface between computer user and computer hardware.