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Functions Of A Computer Operating System

How Much Do You Know About  Functions Of Computer Operating Systems?

Free computer basic skills lesson on how best to understand the functions of computer operating systems. Every operating system on a PC has numerous functions.  Though one may not be aware of what a lot of them are or really do, the OS assistants you navigate your computer a lot easy and allows for one to handle programs and tasks with the computer system itself.

But before we kickoff with our basic computer skills training, understanding the actual definition of the term “OS” will certainly assist you to understand your PC easily. Although an OS is a cardinal part of your PC system, knowing the definition of an operating system isn’t inherent to knowing how to use one.  All the same, once you do know the definition of an OS, you can easly translate what it’s doing inside your PC to make it run and to make using it easier for you, even as computer beginner.

Learn_about_computer_basic_functions_training_Video To cut long storry short, the definition of an operating system is:  a set of PC programs that manage and execute the hardware and software resources of a computer system.  We can add to that definition to say that an operating system rationally processes electronic devices in response to approved commands.

One major work of your OS is process management.  Every program running on a

PC – whether it is in the background or the foreground – is a process.  In generale, only one process per central processing unit can run at one time. All the same, multiple processes can run through multi-tasking which entails switching processes very quickly.  The OS makes this type of multi-tasking practicable in all computers.

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Another important role of the operating system is memory management.  Every computer memory is arranged in a hierarchical manner with the fastest registers first followed by the CPU cache, random access memory, and then disk storage.  The operating system’s memory manager coordinates the use of these various types of memory by tracking which one is available, which is to be allocated or de-allocated and how to move data between them. This activity, usually referred to as virtual memory management, increases the amount of memory available for each process by making the disk storage seem like main memory.

Most current operating systems are capable of using the TCP/IP networking protocols.  This means that one system can appear on a network of the other and share resources such as files, printers, and scanners using either wired or wireless connections.  Many OSs also back one or more vendor-specific legacy networking protocols as well.  That makes networking another operating system function.

All computer operating systems include support for a variety of file systems which makes disk and file management another important function of your operating system.  Nearly all file systems are composed of a hierarchy of directories.  The idea is just about the same across OSs, but differences do exist.  The main differences are the character that is used to separate directories and case sensitivity in any computer.

Surely, security is an issue that is very important to all computer users. The security function of your operating system is also very important to the programmers.  The system will often use an allow/disallow protocol when other systems are trying to access resources on your computer.  All the same, others will demand the use of a user name and password to keep your system secure.

And on that note, we conclude this free computer basic skills training lesson on understanding the functions of a computer operating System. I hope you enjoyed it? Have you signed up for your free computer training lessons yet? Why not do it right now on this page. You can also Vistit this page right now for your complete guide and step-by-step process on upgrading your computer. All the basic and advanced things you’ll ever need to know about various PC operating systems are on the eBook..