An operating system is the most crucial program that runs on your computer. Computers must run an operating system in order to run other programs. They perform a variety of tasks such as indentifying input from the keyboard, sending output to the monitor display, maintain files and directories on a hard drive and manage devices such as printers.
The operating system has many responsibilities as it has to make sure different programs and users, which are running at the same time, do not obstruct each other. It also responsible for its security and making sure that there is no unauthorised user accesses to the operating system.
The operating system acts a software platform that sits on top of the other programs called application programs. The application programs need to written to run on top of an operating system. The operating system you choose for your PC/laptop will decide what applications you can run.....Read More Show Less
A user will interact with an operating system through a set of commands such as Copy and Rename for copying files and renaming files respectively. These commands are performed by a part of the operating system called the command processor or command line interpreter. A graphical user interface enables a user to enter command by pointing and click on a object that appears on the screen.
We stock operating systems from Microsoft including the latest operating system, Windows 8.