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BASIC CONCEPT OF INTERNET - Coggle Diagram
BASIC CONCEPT OF INTERNET
What is network?
A collection of computers and devices connected together via communication device and transmission media
Main components of network
Computer
Transmission media
Communication device
Basic hardware components of network
Network interface cards
Computer, network printer
Hubs
Transmission media
Repeater
Wireless Access Point
Communications
Definition: Transfer of data, instructions and information between two or more computers or devices (digital communication)
Communication devices
Dial-up modem
Network cards
Wireless access points
Wireless modem
Routers
Digital modem
Hubs/switches
DSL Modem
ISDN Modem
Cable Modem
Transmission media
Wired
Twisted pair cable
Coaxial cable
Fibre optic cable
Wireless
Infrared
Broadcast radio
Cellular radio
Microwaves
Communication satellite
Advantages of using network
Facilitating communication
Sharing hardware
Sharing data and information
Sharing software
Disadvantages of using network
The setup and maintenance cost can be expensive
A fault with the network server can cause difficulties in the organization