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Internet, Intranet and E-mail

Md. Mahbubur Rahman Alam

B. Sc. (Statistics) Dhaka University

M. Sc. (Econometrics) Dhaka University

PGD(ICT)BUET, M. Sc. (ICT) BUET

Associate Proessor, BIBM, Mir!"r, Dhaka.

Ce##$ %&''**++, Mai#$ a#ammr-yahoo.com

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Internet and E-mail

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Internet and E-mail

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Internet and E-mail

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Gateway

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Internet

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Use of Router

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Firewall

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Role of Modem

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Internet Service Provider (ISP)

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Radio in!

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Full and "alf #u$le% &ransmissionFull and "alf #u$le% &ransmission

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'ide rea etwor! (')

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14/21'orld 'ide 'e*(''')

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Internet

+lass Rooms

Faculty Rooms

i*rary

Server Room

Printin Room

ccounts dministration

"ostel

Store

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Internet.Inter etwor! (etwor! of etwor!s)&+P/IP.&0e Universal anuae of t0e Internet

#S.#omain ame System

IP ddress.12345346674625

'e* and E-mail ddress.

www4*i*m-*d4or

alam8mr9ya0oo4com

alam8mr90otmail4com

alam8mr9*i*m-*d4or

Internet and E-mail

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"&&P."y$er &e%t &ransfer Protocol

"&M."y$er &e%t Mar!u$ anuae

F&P.File &ransfer Protocol

Searc0 Enine. software t0at 0el$s you tosearc0 t0e 'orld 'ide 'e*

+ommon Searc0 Enines.

:a0oo

Goole

lta;ista

Internet and E-mail

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#omain.

4com.+ommercial

4or.

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'e* >rowser. Software t0at ena*les you to enterinto t0e 'orld 'ide 'e*

+ommon >rowsers.

MS Internet E%$lorer

etsca$e aviator

Firefo%

Internet and E-mail

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Head Office

Central

Server

Terminals

Internet

Customer

Customer

Customer

Banking Network

SWIFT

Network

Banking Information System

Central

Server

Terminals

Head Office

of another

bank

POS

Terminal

ATM

Banking

Kiosk

Branch

Terminals

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*&

Sonali >an! E%tranet #>> I t t

Internet

>anlades0 >an! IntranetIslami >an! Intranet

E%tranet

Internet, Intranet and E%tranet