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2.1 Basic Concept of Network, Process - Coggle Diagram
2.1 Basic Concept of Network
NETWORK
Main component
Computer
Transmission media
Communication devices
Definition
A collection of computers and devices that connected together via communication devices and transmission media
Funtion
A computer network allows computers to communicate around the world
Advantages
Facilitating communication
Sharing hardwork
Sharing data and information
Sharing software
Disadvantages
Fault with network server
Set up and maintenance fost expensive
Vulnerable to security breaches and Cyberattacks
COMMUNICATION DEVICE
Definition
Any type of hardware capable of transmitting data,information and instructions between a sending device and a receiving device
Computer communication is a process in which 2 or more computers or device transfer data, instructions and information
Example
Dial-up modem
Digital modem
Wireless modem
Networks cards
WirelessAcess Points
Routers
Hubs
8.Switches
Routers
Digital communication
A process in which 2 or more computers or devices transfer data, instructions and information
TRANSMISSION MEDIA
Definition
Material and substance capable of carrying one or more communication signals
Types :
Physical
Fiber optic
Coaxial cable
Twisted pair
Wireless
Communication satellite
Microwave
Cellular radio
Broadcast radio
Infrared
Process