categorize computer networks

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9606A.32 1 Topic : Understand the Concept of Networking and LAN Sub topic : Categorize computer networks

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9606A.32 1

Topic : Understand the Concept of Networking and LAN

Sub topic : Categorize computer networks

9606A.32 2

Objectives

On completion of this period, you would be able to know about

• different categories of computer networks

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Computer Networks- Introduction

• The system of inter-connecting a number of computer

systems with the media links is known as a computer

network

• The media links called as channels may be copper wires,

optical fibers, satellite and microwave systems, infrared

transmissions

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• Two computers are said to be interconnected if they are

able to exchange information accurately and timely

• A computer network can be used for sending e-mails,

electronic data interchange, teleconference, cellular

telephony, cable television, manufacturing process using

CAD & CAM, marketing, sales, financial services etc

Computer Networks- Introduction

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• Networks consist of two or more locations (nodes) that

are connected together using communication links

• A node may contain any number of computers and

communication devices

Computer Networks- Introduction

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The computer networks can be classified into the following categories

• PAN (Personal Area Network)

• LAN (Local Area Network)

• MAN (Metropolitan Area Network)

• WAN (Wide Area Network)

• INTERNET (Internetworking of Networks)

Classification of Computer Networks

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• The distances of coverage of various networks with respect to the distance between the computer processors are given in the following table

Classification of Computer Networks contd…

Example of PAN

Example of PAN

Example of LAN

Example of MAN

Example of MAN

Example of MAN

Example of WAN

Illustration of Internet

Illustration of Internet

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Summary

In this class, you have learnt about

• Categories of computer networks

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QUIZ

1. MAN covers_____________

a) 1 meter area

b) a room or campus

c) a city

d) Entire globe

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QUIZ

2. LAN covers_____________

a) 1 meter area

b) a room or campus

c) a city

d) Entire globe

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QUIZ

3. Internet covers_____________

a) 1 meter area

b) a room or campus

c) a city

d) Entire globe

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Frequently Asked Questions

1. Differentiate between PAN, LAN, MAN, WAN, Internet