university Amar Telidji of Laghouat English department chapitre

university Amar Telidji of Laghouat English department chapitre 2 : Discovering ICT Teacher Lakhdar kamel OULAD DJEDID 1

Plan: CHAPTER 2 : Introducing ICT, : Lesson 1 : Internet, Lesson 1 Lesson 2 : WWW, Lesson 2 Lesson 3 : Email, Lesson 3 Lesson 4 : videoconference, Lesson 4 Lesson 5 : wireless communcation, Lesson 5 Lesson 6 : smart board/ e-board, Lesson 6 2

CHAPTER 2 : Introducing ICT Leçon 1 Internet Hourly volume: 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 3

Internet : what is it Recall for the Networking: LAN (Local Area Network) connecting set of PCs in local area Hub/Switcher Notification = LAN 4

Internet : what is it Recall for the Networking: MAN (Meropolitaine Area Network) connecting set of LANs in campus or city Switcher 5

Internet : what is it Recall for the Networking: WAN (Wide Area Network) connecting set of LANs in large area Router LAN Notification = LAN 6

Internet : what is it The Internet is a global system of interconnected computer networks, Internet = interconnection networks, Connect all the computers of the world together, 7

Internet : its components Clients (PCs): or Servers : Networks : Network LAN/MAN/WAN Routers : Communication Medium : Wired / wireless 8

Internet : its components Network server Network client Network Network 9

Internet : History The history of Internet 10

Internet : get access to Internet student Laghouat university Router of Ouargla a direct Internet connection is a connection to internet server of a Network 11

Internet : get access to Internet dial-in connection is connection via the phone lines and modems to a commercial Internet Service Provider (ISP), 12

Internet : what is ISP It is a company that provides access to the Internet. So it is intermediary between you and the internet 13

Internet : what is ISP Dial-in. The slowest method of connecting to the Internet, ADSL. Better than Dial-in in term of speed. 14

Internet : differences between ISPs If we have different ISPs : Which one is the best 15

Internet : diffrences between ISPs Criteria of choice : Bandwidth. this is the total speed that the ISP offers, Price, Access. is service Technical . Limited: you cannot exceed a number of hours of connection per month, unlimited: you can connect any time during the subscription, to your technical problems 16

Internet : how internet works 17

Internet : it’s services (applications) Internet has diffrent services like the : web, email, chat…… These services use internet as a support to exchange information. application WWW , E-mail , Chat support 18

Plan: CHAPTER 2 : Introducing ICT, : Lesson 1 : Internet, Lesson 1 Lesson 2 : WWW, Lesson 2 Lesson 3 : Email, Lesson 3 Lesson 4 : videoconference, Lesson 4 Lesson 5 : wireless communcation, Lesson 5 Lesson 6 : smart board/ e-board, Lesson 6 19

CHAPTER 2 : Introducing ICT Leçon 2 WWW Hourly volume: h Objective : Have an idea about some WWW. Content: What is it, hypertext/ hyperlink, web site/web server/browser, 20

www: what is it www = World Wide Wed, The web is the house of the spider, 21

www: hypertext/ hyperlink is a system of hypertext documents and multimedia interlinked via the hyperlinks. hyperlink Text texte image video workshop audio 22 Hyper. Text

www: hypertext/ hyperlink Hypertext document text photo video audio 23

www: hypertext/ hyperlink www = like the web of the spider, 24

www: hypertext/ hyperlink The Web page contain a multimedia information The web browser visualize the web page. Web page Web Browser Hypertext photo video audio = Workshop: visualizing a web page 25

www: web site/web server/browser The web site is a set of web pages linked via hyperlink Hosted in web server. text photo video audio web server Web site 26

www: web site/web server/browser Google. com photo video audio text photo video text audio photo video audio text Lagh-univ. dz photo video audio text facebook. com photo video audio text browser 27

www: web site/web server/browser

Plan: CHAPTER 2 : Introducing ICT, : Lesson 1 : Internet, Lesson 1 Lesson 2 : WWW, Lesson 2 Lesson 3 : Email, Lesson 3 Lesson 4 : videoconference, Lesson 4 Lesson 5 : wireless communcation, Lesson 5 Lesson 6 : smart board/ e-board, Lesson 6 29

CHAPTER 1 : Introducing ICT Leçon 2 Videoconference Hourly volume: h Objective : Have an idea about some WWW. Content: What is it, Its types, Its components, Its impacts, Video Conferencing Cell Phones, recapitulation of its benefits. 30

Videoconference: what 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.

Videoconference: its types 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.

Videoconference: its component Video input : video camera or webcam Video output: computer monitor , television or projector

Videoconference: its component Audio input: microphones, Audio output: usually loudspeakers Data transfer: analog or digital telephone network, LAN or Internet

Videoconference: its component There are basically two kinds of videoconferencing systems: 1. Dedicated systems have all required components packaged into a single piece of equipment

Videoconference: its component 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

Videoconference: its impacts 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.

Videoconference: its 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. . .

Videoconference: its impacts 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….

Videoconference: videoconferencing cell phone

Videoconference: recapitulation of its benefits 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.