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Computer is a device for processing information Computer has no intelligence by iself and is called hardware. A computer system is a combination of 4 elements: hardware, software, procedures, data. Software are programs that tell the hardware how to perform a task. Wihout software instructions, the hardware does not know what to do.The basic jod of the computer is the processing of information. Computers take information in the form of instructions called programs and symbols of the so-called data. After that they perform various mathematical and logical operations, and then give results. Computer is used to convert data into information, to store information in the digital form.Millions of people around the world use now not only the computer but also and the internet to search for and retrieve information on all sorts of topics in a wide variety of areas including the arts, business, humanities, news, politics and recreation. People communicate through e-mail, chat channels and etc.The World Wide Web (WWW) is a part of the internet. It is information that is orlinked connected together like a web. You access this information through one interface or tool called a web browser. You move from place to place, from site to site on the Web by using a mouse to click on a portion of the text, icon or region of a map. These items are the so-called hyperlincs or lincs. Each link you select represents a document, an image, a video clip or an audio file somewhere on the internet.All sorts of things are available on the WWW.We can in for different purpoes. Many TV and radio broadcast live on the ststions WWW.You can even visit museims, gardens, cities throughout the world, learn foreign languages and meet new friends and so on. Just a little exproling the WWW will show you what a much of use and fun it is.
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