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St.Josephs College of Engineering Department of Electronics and Communication Engineering EC 2352: COMPUTER NETWORKS VI SEMESTER UNIT I: DATA converse 1.Define the term selective information chat. data communication is the exchange of data between two whatchamacallits by some form of transmission system medium. 2.Mention the fundamental characteristics of data communication systems. (i) Delivery: The system must(prenominal) fasten on over data to the prepargon destination. information must also be received by the intended device or user and only by that device or user. (ii) truth: The system must deliver data accurately. info that hold been altered in transmission and left uncorrected are unusable. (iii) Time groovess: The system must deliver data in a timely manner. Data delivered late are useless. 3.Mention the comp wholenessnts of Data communication system. 1.Message , 2.Sender, 3.Medium, 4.Protocol , 5.Receiver. 4.Whats a calculator network? A comput er network is a set of devices connected by media colligates. The links connecting the devices are called as communication channels. Its size, its ownership, physical architecture and the distance it covers determine the flake of network. 5.Give the classifications of computer networks. 1.LAN , 2.WAN ,3.MAN 6.List out uses of computer networks. 1. To store & operate information, 2.

Make decisions & manipulate data. 3.Move information from 1 system to another. 7.Mention the advantages of having computer networks. Sharing of resources, deputize of data inside a company, Flexible work environment. 8.Whats meant by line configuration? It refers to ! the modal value two or more communication devices attach to a link. A link is a physical communication pathway that transfers data from one device to another. Two different types of line configurations are: 1.Point-to-point2.Multipoint 9.Whats meant by Topology of a network? Topology refers to the way a network is laid out, either physically or logically. The topographic anatomy of a network is the...If you want to get a just essay, order it on our website: BestEssayCheap.com

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