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Communication Technologies - Coggle Diagram
Communication Technologies
Communication Technologies
The process in which two or more process in which two or more computers/devices transfer data, instruction and information
5 Components:
Receiver / receiving device
Message
Medium
Protocol
Sender / sending device
All types of computers/mobile devices can be sending or receiving devices
Networks
A set of devices (referred to as nodes) connected by communication devices and transmission media
A node can be computer, printer
Network types
Architecture
Topology
Area of coverage
Area of Coverage
LAN: Local Area Network
MAN: Metropolitan Area Network
BAN: Body Area Network
WAN: Wide Area Network
PAN: Personal Area Network
Network architecture
The configuration of computers, devices, and media on a network
2 types:
client/server
peer-to-peer
Network Topology
The arrangement or layout of computers/devices on a network
Bus
Tree
Star
Mesh
Ring
The Internet
Use of internet
Information searching
e-learning/ e-teaching
Communicate with family/friend that stay oversea
Communication standards and protocols
It needed to ensure data interoperability across various computers and devices on different networks
Network Protocol
a specification that describes the properties of how two devices interact through a network
Bluetooth
Network standard
It guidelines that specify the type(s) of medium used
Exp: Wireless Fidelity (Wi-Fi)
Network usage
Share data and information
Share hardware
Share software
Facilitate communications
Transfer funds
Mobile networks
Based on cellular network
2G
3G
1G
4G
0G
5G
Communication devices, lines, and transmission media
Communication line
Connection between two device
Transmission media
Wireless Transmission
Mircowave
Radio wave
Infrared
Satellites
Physical Transmission
fiber-optic cable
copper cable
Communication Devices
Hardware use to transfer to 'bit'
Moderm
routers
network card