UNIT 12 The Internet By Nahed AlSalah 1 Computer Terminologieg unit12 Nahed AlSalah.
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Transcript of UNIT 12 The Internet By Nahed AlSalah 1 Computer Terminologieg unit12 Nahed AlSalah.
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UNIT 12
The Internet By Nahed AlSalah
1Computer Terminologieg unit12 Nahed AlSalah
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The Starter
• What is the internet ?– It is the connection of networks across the world.
– Différent services are made available on the internet .
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The services are: Email ( electronic mail) Sending and receiving text messsage
Usenet ( user network)
Accessing newsgroups ( group of users who send and read messages on a particular topic)
IRC (internet relay chat)
Chatting to other users using text message in real-time (immediately while users are logged on to the system).
FTP ( file transfer protocol)
Copying files e.g. program files, between computers on a network . Copying files from a server computer to a client computer is known as downloading and copying from a client to a server is uploading
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The services are: Telenet Logging on (connecting to a network
system account ,normally using password to your local server from across a network communications system at a distance e.g. from other country.
MOO ( Multi-user domain that is object-oriented)
Taking part in simulations in a shared environment. each person assumes a persona and communicates using text message.
WWW ( the world Wide Web , commonly referred to as the web)
Browsing (moving from webpage to webpage) linked documents known as webpages.
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Computer –Mediated Communication ( CMC )
• CMC is a term used to describe systems that allow users to communicate using a computer network.
• Communication are either :– Asynchronous :
– Synchronous :
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Computer –Mediated Communication ( CMC )
• Asynchronous : the participants are not on line at the same time and there are delays between messages.
• Ex: mobile phone messages, chat rooms , emails, bulletin boards , newsgroups /discussion list.
• Synchronous : the participants being on line at the same time .There may be a few seconds delay.
• Ex: Internet Relay chat, MOOs, audio and videoconferencing.
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Videoconferencing
• Is a form of communication over a network that uses videos cameras so that taking part can see and hear each other .
• Features :– There’s no opportunity for paralinguistic features ( gestures ).
– Users develope no. Of strategies which account for the linguistic features:• Abbreviations and Acronyms : e.g. LOL • Simplefied syntax subject and model deletion ( C U L8R).• Error symbols and exclamation mark e.g. Yeeees!!.• Symbols indicating emotions called emotes to display action in chat room.
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Most of Users connect to the internet
• By using modem ( modulator Ldemodulator ) which is an electronic device that convert signals to enable computer to be connected to an ordinary telephone line through a server and router owned by an ISP.
• ISP (Internet service provider) offer various option:– Unlimited number of email addresses with filtering of email to remove
junk email ( unwanted and unsolicited email normally advertising or trying to sell something).
– Web space. (file storage space for storing webpage files).– Setting up websites ( a set of related pages stored on a server on the world
wide web).– Virus checking facilities ( for checking your computer files to detect
programms written with the purpose of damaging or causing to behave in an usual way.)
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IInternet service provider) offer various option
• Unlimited number of email addresses with filtering of email to remove junk email ( unwanted and unsolicited email normally advertising or trying to sell something).
• Web pace. (file storage space for storing webpage files).• Setting up websites ( a set of related pages stored on a server on the
world wide web).• Virus checking facilities ( for checking your computer files to detect
programms written with the purpose of damaging or causing to behave in an usual way.)
• Web-based mail ( allows users to to access their email from any computer with an internet access).
• POP3 email ( requires a special email program but is faster and more efficient accout).
• User register ( filling out details on a webpage while online )9Computer Terminologieg unit12
Nahed AlSalah
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Language work : Warning
• Are used to ensure safety , to prevent damage equipment and
breaches of security, and to ensure the law is not broken.• The warning forms:– The simplest warning • Don’t drink • No smoking • Avoid eating • Never give out your home address.
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Language work : Warning cont.
– Sometimes the warning is twinned with good practice • Alwayes switch off your comuter ;never keep it on.• Switch off your computer rather than keeping on
– Using must or must not ( strong)• This appliance must be earthed .• You must not eat or drink at the conputer
– Using should or should not you shouldn’t give your password for any body
- Using reason with the warning - Never remove Ics with screwdriver. The pins are very fragile.
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The Exercices
• Answer the exercises in the text book• Homework : Writing Section
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