1 chapitre 2 : discovering ict teacher lakhdar kamel oulad djedid university amar telidji of...

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chapitre 2 :chapitre 2 :

Discovering Discovering ICT ICT

Teacher

Lakhdar kamel OULAD DJEDID

university Amar Telidji of Laghouat

English department

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Lesson 1Lesson 1 : Internet,

Lesson 2Lesson 2 : WWW,

Lesson 3Lesson 3 : Email,

Lesson 4Lesson 4 : videoconference,

Lesson 5Lesson 5 : wireless communcation,

Lesson 6Lesson 6 : smart board/ e-board,

PlanPlan: : CHAPTER 2CHAPTER 2 : : Introducing ICT,

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Hourly volume: h h Objective ::

Have an idea about some Internet. Content: What is the Internet, Its component, history, Get access to the Internet, What is ISP, Difference between ISPs, How internet works

CHAPTER 2 : CHAPTER 2 : Introducing ICTIntroducing ICT

Leçon 11Internet

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Recall for the Networking:

LAN (Local Area Network) connecting set of PCs in local area

Internet : Internet : whatwhat is it is it

Hub/Switcher

LANNotification =

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MAN (Meropolitaine Area Network) connecting set of LANs in campus or city


Switcher

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WAN (Wide Area Network) connecting set of LANs in large area


LAN

LAN

LAN

Router

Notification =

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The Internet is a global system of interconnected computer networks,

Internet = interconnection networks,

Connect all the computers of the world together,


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Clients (PCs): or

Servers :

Networks : LAN/MAN/WAN

Routers :

Communication Medium : Wired / wireless

Internet : Internet : its componentsits components

Network

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Internet : Internet : its componentsits components

Network

Network

Network

Network NetworkNetwork

Network

Network

client

server

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The history of Internet

Internet : Internet : HistoryHistory

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a direct Internet connection is a connection to internet server of a Network

Internet : Internet : get access to Internetget access to Internet Laghouat universitystudent

Router of Ouargla

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dial-in connection is connection via the phone lines and modems to a commercial Internet Service Provider (ISP),

Internet : Internet : get access to Internetget access to Internet

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It is a company that provides access to the Internet.

So it is intermediary between you and the internet

Internet : Internet : what is ISPwhat is ISP

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Dial-in. The slowest method of connecting to the Internet,

ADSL. Better than Dial-in in term of speed.

Internet : Internet : what is ISPwhat is ISP

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If we have different ISPs :

Which one is the best

Internet : Internet : differences between ISPsdifferences between ISPs

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Criteria of choice :

Bandwidth. this is the total speed that the ISP offers,

Price,

Access. Limited: you cannot exceed a number of hours of connection per month,

unlimited: you can connect any time during the subscription,

Technical service . is a team responsible for responding to your technical problems

Internet : Internet : diffrences between ISPsdiffrences between ISPs

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Internet : Internet : how internet workshow internet works

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Internet has diffrent services like the : web, email, chat……

These services use internet as a support to exchange information.

support

WWW , E-mail , Chat application

Internet : Internet : it’s services (applications)it’s services (applications)

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Have an idea about some WWW. Content: What is it, hypertext/ hyperlink, web site/web server/browser,


Leçon 22WWW

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www = World Wide Wed,

The web is the house of the spider,

www: www: what is itwhat is it

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is a system of hypertext documents and multimedia interlinked via the hyperlinks.

www: www: hypertext/ hyperlink hypertext/ hyperlink

Text

HyperText

hyperlink

texte image video audio

workshop

Hypertext document

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www: www: hypertext/ hyperlinkhypertext/ hyperlink

text photovideo audio

hyperlink

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www = like the web of the spider,


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The Web page contain a multimedia information


text photo video audio

Hypertext

Web page Web Browser

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The web browser visualize the web page.

Workshop: visualizing a web page

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The web site is a set of web pages linked via hyperlink

Hosted in web server .

www: www: web site/web server/browserweb site/web server/browser

text photo video audiotext photo video audio



Web siteweb server

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textphotovideoaudiotextphotovideoaudiotextphotovideoaudiotextphotovideoaudio



browser

textphotovideoaudio

Google.com Lagh-univ.dz

facebook.com


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Have an idea about some WWW. Content: What is it, Its types, Its components, Its impacts, Video Conferencing Cell Phones, recapitulation of its benefits.


Leçon 22Videoconference

VideoconferenceVideoconference: : what is itwhat is it

It is form of communication that use video, audio, and the technology of computer in order to allow people to communication

It’s another type of online chat.

This can be as simple as a conversation between two people in private offices (point-to-point)

or involve several places (multi-point) with more than one person in each place.

VideoconferenceVideoconference: : its typesits types

Video input : video camera or webcam

Video output: computer monitor , television or projector

VideoconferenceVideoconference: : its componentits component

Audio input: microphones,

Audio output: usually loudspeakers

Data transfer: analog or digital telephone network, LAN or Internet


There are basically two kinds of videoconferencing systems:

1. Dedicated systems have all required components packaged into a single piece of equipment


There are basically two kinds of videoconferencing systems:

2. Desktop systems are add-ons (hardware boards, usually) to normal PCs, transforming them into videoconferencing devices.

A range of different cameras and microphones can be used with the board


On business

Videoconferencing can enable individuals in distant locations to participate in meetings on short notice, with time and money savings.

It Can enables low-cost face-to-face business meetings without leaving the desk.

VideoconferenceVideoconference: : its impactsits impacts

On on medicine and health

Videoconferencing is a highly useful technology for real-time telemedicine and telenursing applications, such as diagnosis, consulting, transmission of medical images, etc...


On education

Videoconferencing provides students with the opportunity to explore, communicate, analyze and share information and ideas with one in another institutes.

A few examples of benefits :◦ guest lecturers brought in classes from other institutions,◦ researchers collaborating with colleagues at other institutions

on a regular basis without loss of time due to travel,◦ student interviews with an employers in other cities….


VideoconferenceVideoconference: : videoconferencing cell videoconferencing cell phonephone

It is used by many businesses usually to save time and money.

Important advantage of video conferencing is that two or more parties can interact with each other face to face for the sake of meeting or to conduct business.

Health professionals can give a diagnosis by conducting an examination via a video conference.

VideoconferenceVideoconference: : recapitulation of its benefitsrecapitulation of its benefits

1 chapitre 2 : discovering ict teacher lakhdar kamel oulad djedid university amar telidji of...

Documents

internet slide

history of internet

network internet

internet server

internet works

city internet

best internet

local area internet