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Communications And Network by Mind Map: Communications And
Network
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Communications And Network

Objectives Overview

Discuss the purpose of the components required for successful communication

Describe the uses of computer communication

differentiate among a star network , bus network , and ring network

describe the various network communication standard

Network

Advantages of network

Sharing hardware

Facilitating communications

Sharing data and information

Sharing Software

Transferring funds

A local area network (Lan)

A wireless Lan

A wide area network

P2P

An internet network on which user access each other's hard disk

Uses of computer communications

Blogs

Chatroom

E-mail

Fax

Internet

Web

Wikis

Video conferrencing

Instant messaging

ETC.

Network Communications Stadndards

Ethernet

a network standard that specifies no computer controls when data can be transmitted

Token ring

the standard specifies that computers and devices on the network share or pass a special signal

TCP/IP

A network standard that defines how messages are routed from one end of a network to another

Wi-Fi

Bluetooth

UWB

Specifies how two UWB devices use short-range radio signals to communicate

IrDA

Transmits data wirelessly via infrared light waves

RFID

Uses radio signals to communicate with a tag placed in or attached to an object, animal, orperson

WiMAX

WAP

Communication

Sending device

Communication channel

Receiving device

Communications Software

Help users establish a connection to another computer or network

Manage the transmission of data, instructions, and infornation

Provide an interface for users to communicate with one another

Communications over the telephone network

Dial-up lines

Dedicated line

ISDN line

DSL

FTTP

T-carrier

ATM

Communications Devices

DSL modem

Cable modem

Wireless moden

uses the cell phone network to connect to the internet

Network card

A router connects multiple computer or other routers

Home Networks

connect to the internet

share a single high-speed internet connection

Access file and programs on other computer

Share peripherals

Play multi-player games

Connect game consoles to the internet

Subscribe to and use VolP

Communications channel

ฺBandwidth

Latency

Transmission

Broadband

Wireless Transmission Media

Cellular radio

Microwaves

A communications satellite