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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 • 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:
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
Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,
The utility of CN • Imaging computers withoutnetwork. How we can share files ?
The utility of CN • Imaging computerswithoutnetwork. How we can share resource (printer)?
The utility of CN • Imaging computers withnetwork. How we can share files ?
The utility of CN • Imaging computerswith network. How we can share resource (printer)?
The utility of CN • Imaging computerswith network. we can use it as a communication medium
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
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
Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,
Characteristics of CN A computer network can be categorized in different ways, depends on: • Topology • Geographical area • Communication architecture
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
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)
Characteristics of CN LAN 1 LAN 2 LAN 3 A computer network can be categorized in different ways, depends on: • Geographical area • WAN Router
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
Characteristics of CN A computer network can be categorized in different ways, depends on: • Communication architecture • Client/server • Peer to peer
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
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
Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network.
Establishing a local CN (LAN) • PCs • Network Interface Card (NIC) • Communication support • 1- Cables 2- devises Hub/switch
Establishing a local CN (LAN) • Configuration (Protocol : TCP/IP and IP address ) • Software • Network operation system : (WinXP, linux), • programs :
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 ):
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 ):
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 ):
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 ):
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 ):
Establishing a local CN (LAN) 192.168.0.1 Pro = TCP/IP 192.168.0.2 Câble torsadée 192.168.0.3 Exemple:
Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,
Networking applications Highway network City 1 City 2 Use = Applications City 3 City 4 Road= link City 5 support
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 • …
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
Networking applications • E-mail • Acronym: Electronic-mail, • Utility : exchange messages, • Protocole : UserName@Provider.com • Program: outlook, navigator
Networking applications • Chat • Acronym: Electronic-mail, • Utility : discussion, • Program: skype, MSN
Content • What is Computer Networking (CN), • The utility of CN, • It’s characteristics, • Establishing a local CN (LAN), • It’s applications, • Wireless Network,
Wireless networking principal radio waves or microwaves Wireless technologies
Wireless networking types: With Access point Access point Without Access point = Ad hoc network
Wireless networking • Vehicle Ad hoc network
Wireless networking • Advantage: • mobility and elimination of unsightly cables. • Disadvantage: • potential for radio interference due to weather, other wireless devices, or obstructions like walls.