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At Computer Leader you will find all the popular operating systems on the market and additional software.
So what exactly is an operating system and how does it work?
The operating system is the main administrator of all the software and all the hardware that is in the computer.
We run several programs on our computer at the same time and all of these programs need to access the central processing unit on the computer, RAM and storage.
The function of the operating system is to arrange all of these and give each software what it needs to run and operate well without creating a load on the computer.
In addition, the operating system provides the infrastructure for running operating applications that are performed when the computer is turned on, rebooting.
There are a large number of operating systems among them:
Windows, Linux, Mac iOS, Chrome etc.
Operating systems were developed in the 1950s for tape storage management.
After about a decade, operating systems began to use disks as well.
At first MS Windows 3.11 was 95, 98, 2000 and so on.
The most popular operating system today is MS Windows 10.
What are the important features of an operating system?
Safe or normal operating mode, program execution, memory management, multitasking, error detection and handling, information protection, etc.
CPU processor
The processor is the most central part of the computer and operating system.
It is located in the core of the computer and its job is to manage the communication between the software and the hardware.
Types of operating systems:
Operating systems are usually pre-installed on the computer.
If you want to change or upgrade the operating system on your computer this is possible.
Modern operating systems use a graphical user interface or GUI.
What the interface does is it allows you to use the mouse to click on icons and buttons in the menu and everything is displayed clearly and precisely on the screen. Indeed, the very first systems, such as MS-DOS, didn’t have a graphical interface, so all commands were entered through the keyboard.
Desktop systems – systems whose function is to serve a single user.
Such an operating system runs on user convenience and will usually be fast.
Parallel systems – systems whose computer is equipped with more than one processor.
Distributed systems – a system which in each processor has its own local memory and the processors communicate with each other through communication lines such as telephone lines, etc.
Real-time systems – systems that need to perform operations at specific times.
In addition to the operating system, one of the most demanded programs is the MS Office system, which includes, depending on the version, programs such as Word, Excel and Power Point.
Antivirus programs, such as ESET Nod32 and others, are next in importance.
All these and other programs are available here, at Leader Computers.