Department of Electronics and Communication Engineering
EC 2352: COMPUTER NETWORKS VI SEMESTER
UNIT I: DATA COMMUNICATION
1.Define the term data chat.
data communication is the exchange of data between two devices by some form of transmission medium.
2.Mention the fundamental characteristics of data communication systems.
(i) Delivery: The system must(prenominal) take over data to the prepare destination. information must also be received by the intended device or user and only by that device or user.
(ii) Accuracy: The system must deliver data accurately. Data that have been altered in transmission and left uncorrected are unusable.
(iii) Timeliness: 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 computer network?
A computer 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 one system to another.
7.Mention the advantages of having computer networks.
Sharing of resources, deputize of data within 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 topology of a network is the...If you want to get a full essay, order it on our website: Ordercustompaper.com
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