categorize computer networks
TRANSCRIPT
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
3
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
4
• 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
5
• 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
6
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
7
• 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…
20
QUIZ
3. Internet covers_____________
a) 1 meter area
b) a room or campus
c) a city
d) Entire globe