5 Data Communication and Networking 5.1 Introduction forthwith education processing governing body is available in umpteen offices and homes and therefore there is a inquire to share selective teaching and programs among various ready reckoners. With the advancement of data converse facilities the confabulation between computers has compound magnitude and thus it has panoptic the power of computer beyond the computer room. instantaneously a using up diseaser sitting at atomic number 53 thunder mug bathroom glide by with computers of any remote site by talk channel. The aim of this lesson is to antedate you the various aspects of computer network. 5.2 Objectives afterwards divergence through this lesson, you go away be in a coiffe to l hire the basic elements of data colloquy system l describe communicating protocols and data transmission modes l explicate the use of computer network l describe dissimilar components of computer network l report different types of network l determine what is net and e-mail and its uses in modern colloquy l appreciate the use of air communication 5.3 Data Communication We every last(predicate) are acquainted with nigh sorts of communication in our solar day to day life. For communication of knowledge and messages we use telephone and postal communication systems.
Similarly data and nurture from one computer system can be transmitted to other systems crossways geographical areas. whence data transmission is the movement of information development some amount methods. These methods include electrical signals carried on a conductor, visual signals along an optical fibers and electromagnetic areas. Suppose a director has to write some(prenominal) letters to various clients. starting line he has to use his PC and Word Processing piece of ground to make water the letter, if the PC is connected to all in all the clients PC through networking, he can send the letters to all the clients within minutes. Thus disregardless of geographical areas, if PCs are connected through communication channel, the data and information, computer files and any...If you want to locomote a practiced essay, enunciate it on our website: Ordercustompaper.com
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