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CHAPTER 1 : Introducing ICT

CHAPTER 1 : Introducing ICT. Hourly volume : h Objective : Computer Netwoking literacy . Prerequisite : Little knowledge about computer science. Content: What is Computer Networking (CN), The utility of CN, It’s characteristics, It’s applications, Wireless Network. Reportes :.

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CHAPTER 1 : Introducing ICT

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  1. CHAPTER 1 : Introducing ICT • Hourly volume: h • Objective: • Computer Netwokingliteracy. • Prerequisite : • Little knowledge about computer science. • Content: • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • It’s applications, • Wireless Network. • Reportes:

  2. What is Computer Networking (CN), wired wireless Networking is the practice of linking two or more computers or devices with each other. The connectivity can be wired or wireless

  3. Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,

  4. The utility of CN • Imaging computers withoutnetwork.  How we can share files ?

  5. The utility of CN • Imaging computerswithoutnetwork.  How we can share resource (printer)?

  6. The utility of CN • Imaging computers withnetwork.  How we can share files ?

  7. The utility of CN • Imaging computerswith network.  How we can share resource (printer)?

  8. The utility of CN • Imaging computerswith network.  we can use it as a communication medium

  9. The utility of CN audio image texte video Definition 2 computers networking allow the process of sharing Data and sharing resource between two or more computers Shared Data

  10. The utility of CN printer CD/DVD modem Data Base Hard disk Definition 2 computers networking allow the process of sharing Data and sharing resource between two or more computers Shared resources

  11. Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,

  12. Characteristics of CN A computer network can be categorized in different ways, depends on: • Topology • Geographical area • Communication architecture

  13. Characteristics of CN Bus Ring Star A computer network can be categorized in different ways, depends on: • Topology A network topology defines the structure, design or layout of a network

  14. Characteristics of CN A computer network can be categorized in different ways, depends on: • Geographical area • LAN (local area network) : class, building, • MAN (Metropolitan Area Network): campus, city, • WAN (Wide Area Network) : country, the world (Internet)

  15. Characteristics of CN LAN 1 LAN 2 LAN 3 A computer network can be categorized in different ways, depends on: • Geographical area • WAN Router

  16. Characteristics of CN Internet is the bigest WAN Internet = Interconnectionnetworks = wold-wide network Interanet = private Internet A computer network can be categorized in different ways, depends on: • Geographical area • WAN

  17. Characteristics of CN A computer network can be categorized in different ways, depends on: • Communication architecture • Client/server • Peer to peer

  18. Characteristics of CN Data Resources Server client A computer network can be categorized in different ways, depends on: • Communication architecture • Client/server • Peer to peer

  19. Characteristics of CN Peer to peer = Each PC is Servers and clients At the same time A computer network can be categorized in different ways, depends on: • Communication architecture • Client/server • Peer to peer

  20. Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network.

  21. Establishing a local CN (LAN) • PCs • Network Interface Card (NIC) • Communication support • 1- Cables 2- devises Hub/switch

  22. Establishing a local CN (LAN) • Configuration (Protocol : TCP/IP and IP address ) • Software • Network operation system : (WinXP, linux), • programs :

  23. Establishing a local CN (LAN) Protocol = communication language Do you understand me? FR USA Protocol = french Protocole= English ALG Protocol = Arabic Configuration : (Protocol : TCP/IP and IP address ):

  24. Establishing a local CN (LAN) Protocol = communication language yes Do you understand me? FR USA Protocol = English Protocole= English yes ALG Protocol = English Configuration : (Protocol : TCP/IP and IP address ):

  25. Establishing a local CN (LAN) Protocol = communication language Protocole = TCP/IP Protocole = TCP/IP Protocole = TCP/IP TCP/IP is the Protocol used in Internet Configuration : (Protocol : TCP/IP and IP address ):

  26. Establishing a local CN (LAN) IP Adress = identité Hi, mohmmed FR USA Protocol = English Protocol = English Name = Phillipe Name = joh Hi, joh ALG Protocol = English Name = Mohammed Configuration : (Protocol : TCP/IP and IP address ):

  27. Establishing a local CN (LAN) IP Adress = identité Protocol = TCP/IP Protocol = TCP/IP 192.168.0.3 192.168.0.1 Protocole= TCP/IP 192.168.0.2 Configuration : (Protocol : TCP/IP and IP address ):

  28. Establishing a local CN (LAN) 192.168.0.1 Pro = TCP/IP 192.168.0.2 Câble torsadée 192.168.0.3 Exemple:

  29. Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,

  30. Networking applications Highway network City 1 City 2 Use = Applications City 3 City 4 Road= link City 5 support

  31. Networking applications WWW , E-mail , Chat application support • The CN is used like a support of different applications, which circulate information. • The most famous are : • WWW • E-mail • Chat • …

  32. Networking applications .FR .US .DZ .ORG .Mil • WWW • Acronym: World Wide Web, • Utility : consult Web site, • Program: (navigator):internet explorer, firefox • Protocole : www.WebSiteName.com

  33. Networking applications • E-mail • Acronym: Electronic-mail, • Utility : exchange messages, • Protocole : UserName@Provider.com • Program: outlook, navigator

  34. Networking applications • Chat • Acronym: Electronic-mail, • Utility : discussion, • Program: skype, MSN

  35. Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,

  36. Wireless networking principal radio waves or microwaves Wireless technologies

  37. Wireless networking types: With Access point Access point Without Access point = Ad hoc network

  38. Wireless networking • Vehicle Ad hoc network

  39. Wireless networking • Advantage: • mobility and elimination of unsightly cables. • Disadvantage: • potential for radio interference due to weather, other wireless devices, or obstructions like walls.

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