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Basic concept of network - Coggle Diagram
Basic concept of network
Network
Is a collection of computers and devices that connected together via communication devices and transmission media
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Communication device
Any type of hardware capable of transmitting data,instruction and information between a sending device and a receiving device.
Dial-up modem
Converts digital signals to analog signals,so that data can travel along phone line
Digital modem : ISDN,DSL & Cable modem
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Wireless modem
Uses a mobile service provider's network to connect to the internet wirelessly from a computer or mobile device.
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Wireless Access Point
Central communications device that allows computers and devices to transfer data wirelessly among themselves or to a wired network.
Router
Connects multiple computers or other routers and transmit data to its correct destination on a network.
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Transmission media
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Wired
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Use wire , cable and other tangible materials to send communication signals.
Wireless
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Cellular radio
-Used widely for mobile communications
-uses high-frequency radio waves to transmit voice and digital data messages.
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Satellite
-space station that receives microwave signals from an earth based station
-broadcast the signals back over a wide area.
Adv
-Easy to communicate by using email
-can sharing hardware
-can access data and information
-can sharing software
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