What is network

Network is a collection of

computers and devices.

Connected with each other.

Allow user to share

data, information with other

user.

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• LAN(LOCAL AREA NETWORK)

• WAN(WIDE AREA NETWORK)

• MAN(METROPOLITON AREA NETWORK)

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NEED OF NETWORKING• Hardware sharing

• Data and information sharing

• Software sharing

• email, and video calling

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LAN• Local area network aisa network hai

jisme ek limited building k computer ek sath connect hote hai.

• eg. School, computer lab, office etc.

• Isme computers ek wire se or ekrouters se connect hote hai

• Hum ek doosre computers ki files or software use kr skte hai.

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WAN• Wide area network LAN k mukable

jyada area cover krta hai jaise ekcity or country.

• Hum isme telephone line, microwave or satellite ka use krte hai.

• Ye kafi sare LAN ko jod kr banta hai

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MAN• Metropolitan area network

• Collection of MAN

• Large area cover krta hai

• Jaise ek country ya poora world

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INTERNET• International network

• Poora world ek sath eknetwork pr connect hota hai

• Www(world wide web) iskamatlab hai k poora world web(website) ka use krta hai.

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E-mail• Email ka mtlab hota hai electronic mail.

• Mail ka matlab hota hai “chhitthi”.

• Mail bhejne k liye hme apni ek personal id bnani padti hai.

• Usme id or password dalne k bad ap apniid use kr skte ho or email bhej skte ho

• Mail ek kafi tej process ha jisme abi mail krne pr kuch seconds me ap mail pd skteho

• Khrch km hota hai

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• Sender or receiver k pass internet connection hona jaruri hai

• Receiver ko time par msg mil jatahai but use net use krna padta hai

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BROWSER• Browser ek aisa software

hai jisko www par information lene k liye use kya jata hai.

• Eg:- internet explorer, googlecrome, mozila firefox etc

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SEARCH ENGINE

• Search engine us website kokehte hai jis site se hum kisibhi bhi subject par information le skte hai.

• Eg:- google, yahoo, wikipedia etc.

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BASIC INFO• www ka poora name hota hai world

wide web• http se website start hoti hai, or http

ka poora name hai hyper text transfer protocol.

• Jis language me internet ki file hotihai use html language, kehte hai

• Html ka poora name hai hyper text markup language

• Html language notepad program me use hoti hai.

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• Har file ki apni ek extension hotihai.

• Extension ka matlab hota hai us file k last ka khaas naam, jisse us file ka alag pta chalta hia

• Eg:- ms word k liye .doc

• ms excel k liye .exl• Ms powerpoint k liye .ppt• Notepad ya html language k liye

.html

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