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

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

3. 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

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

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

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

7. 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,

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

9. Internet : its components
Network
server
Network
client
Network
Network
Network
Network
Network
Network

10. Internet : History
The history of Internet

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

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

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

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

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

16. Internet : diffrences between ISPs
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

17. Internet : how internet works

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

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

20. 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,

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

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

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

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

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

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

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

28. www: web site/web server/browser

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

30. 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.

31. 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.

32. 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.

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

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

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

36. Videoconference: its component
There are basically two kinds of videoconferencing systems:
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

37. 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.

38. 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...

39. 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….

40. Videoconference: videoconferencing cell phone

41. 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.