1. UNIT 12 The Internet By Nahed AlSalah 1 Computer Terminologieg unit12 Nahed AlSalah

2. The Starter What is the internet ? – It is the connection of networks across the world. – Différent services are made available on the internet. 2Computer Terminologieg unit12 Nahed AlSalah

3. The services are: Sending and receiving text messsageEmail ( electronic mail) Accessing newsgroups ( group of users who send and read messages on a particular topic) Usenet ( user network) Chatting to other users using text message in real-time (immediately while users are logged on to the system). IRC (internet relay chat) 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 FTP ( file transfer protocol) 3 Computer Terminologieg unit12 Nahed AlSalah

4. The services are: 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. Telenet Taking part in simulations in a shared environment. each person assumes a persona and communicates using text message. MOO ( Multi-user domain that is object- oriented) Browsing (moving from webpage to webpage) linked documents known as webpages. WWW ( the world Wide Web, commonly referred to as the web) 4 Computer Terminologieg unit12 Nahed AlSalah

5. 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 : 5 Computer Terminologieg unit12 Nahed AlSalah

6. 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. 6 Computer Terminologieg unit12 Nahed AlSalah

7. 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. 7 Computer Terminologieg unit12 Nahed AlSalah

8. 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.) 8 Computer Terminologieg unit12 Nahed AlSalah

9. 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 ) 9 Computer Terminologieg unit12 Nahed AlSalah

10. 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. 10 Computer Terminologieg unit12 Nahed AlSalah

11. 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. 11 Computer Terminologieg unit12 Nahed AlSalah

12. The Exercices Answer the exercises in the text book Homework : Writing Section 12 Computer Terminologieg unit12 Nahed AlSalah