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Management Information System

Foundations of Information System

Phase I

Information Technologies Telecommunications

Phase II

Electronic Business Systems

Enterprise Business Systems e Commerce & m Commerce

Phase III

System Development Life Cycle

Mana ement Challen es

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Lesson # 3

Telecommunications

This Lesson contains

Concept of Communication and Isolation Trends in Telecommunication

Connectivity Concepts

Connectivity Technologies

Mediums of Communication

Case Studies

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Communication & Isolation

Communication is

Talking to each other

Absorbing and generating Information

As a Result

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YOU REMAIN UPDATED

AND

COMPETITIVE !

Isolation is

No inflow and outflow of any information

YOU GET OUTDATED & OBSELETE

LOCKING YRSELF

IN A CLOSED BOX

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Trends in Communication

Industry Trends

Effect on Government &Corporate Levels

De Regularization

Competitive environment

and end results atconsumer level

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Trends in Communication

Technology Trends

Hardware Development

Fax Machines

Video Conferencing

Mobile Phones

Application Trends

Software Development IM

Web Browsers

E Mails . etc. etc.

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Connectivity Concepts

INTERNET

Its an open cloud (Internet Cloud) where who

ever is on that cloud, could communicate with

each under cretin protocols / rules.

Commonly known as

Business Uses

Business Values

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Connectivity Concepts

INTRANET

Use Internet Like technologies, e.g. Web

Bowers, E mails, IM

Not bounded geo graphically

Restricted Exclusively for use

within Organization

Business Uses & Values

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Connectivity Concepts

EXTRANET

Connectivity Cloud for safe communications

among two or more organizations

Usually handshaking of their

Information Systems

Needs to be Established

Business Uses & Values

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Connectivity Technologies

LAN (Local Area Network)

Limited Geographic Bound Communication

Wireless LAN

Campus LAN

Uses: For sharing of Information & Resources

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Connectivity Technologies

WAN (Wide Area Network)

Wide Connectivity, could be on Global Level

Uses: Primarily of Integration ofOrganizational

Information Systems

GAN is Global Area Network

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LAN & WAN could be over Intranets andExtranets

???

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Connectivity Technologies

Others

Wi fi

Wi Max VPN

Client Server

Peer to Peer

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Mediums of Communication

Guided &U

nguided Copper

Optical Fiber

Radio Connectivity

Line of Sight Non Line of Sight

Satellite Connectivity

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Guided Medium - Copper

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Optical Fiber

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Radio Link Non LOS

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Satellite Connectivity

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Communication beyond 2010

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