Introduction to computer Networking – Video Tutorial

Introduction to computer Networking – A Network is an interconnection of computers, workstation and peripherals, It facilitates the transfer of information and sharing of resources between a number of users, These resources include peripheral devices such as printers, scanners. 

What is a Computer Network? 

A computer network is a system in which multiple computers are connected to each other to share information and resources.
Computer Networks
Characteristics of a computer network.  Introduction to computer Networking

• Share Resources from one computer to another
• Create files and store them in one computer, access those files from the other computer(s) connected over the network
• Connect a printer, scanner, or a fax machine to one computer within the network and let other computers of the network use the machines available over network.

Following is the list of hardware’s required to setup a computer network.

1. Network Cables
2. Distributors
3. Routers
4. Internal Network Cards
5. External Network Cards

Networks can be categorised as per the geographical area that they cover. The different types of networks are:

• Local area network (LAN)
• Campus Area Network (CAN)
• Metropolitan Area Network (MAN)
• Wide Area Network (WAN)

Introduction to computer Networking

• Explain the history of computer networks (ARPANET)
• Explain the need of networks
• Explain types of Computer networks
• Explain layers of Open System interconnection (OSI) model
• Explain network selection criteria
• Explain Standard organisations

Local area network is a computer network that spans over a small area. It connects computers and workstations to share data and resources, such as printers of faxes. LAN is restricted to a small area such as home, Office or College.

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