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Computer network

• A computer network is a collection of two or more computers connected together in order to communicate and share the data and information .
• In order to establish or to connect various devices through network we require :
• 1) Cables
• 2) Network Interface card
• 3) Switch
• 4) Modem
• 5) Router
• In order to share files resources amongst two or more computers we need a network .
• 1) Wired network : A wired network is a network which uses network cables to connect devices .
• 2) Wireless network : A wireless network refers to two or more

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