Virtual network computing

Virtual network computing (V.N.C) is a process of controlling a computer by sitting kilometers away through internet. Here we can control a server computer, which is situated kilometers away by sitting in front of a viewer computer. An image of the desktop of the server is brought to our computer and making events in viewer computer we can any work in the server computer. Here internet is used as the communication between the server and the viewer’s computer.

As the operating system is graphical user interface the controlling is made by mouse events. When we brought the server’s desktop to viewer’s computer the screen resolution of the server and viewer’s must be same (eg: 800*600). So when a mouse event is happening on a particular pixel (say 300,200), that particular pixel send to the server from the viewer and the change is brought to the viewer. So the user will not feel that two computers are working here. He will get feeling that he is using the server itself.

The V.N.C technique has got a good future in the world of computer communication, since the V.N.C is easy to use, support platform independency and multi-user. It is a remote display system which allows you to view a computing ‘desktop’ environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures.

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