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COMMUNICATION SYSTEM AND COMPUTER NETWORK, process of 2 or more computers…
COMMUNICATION SYSTEM AND COMPUTER NETWORK
COMMUNICATION
receiving device
communication channel
communication device - send& receive
sending device
USES
picture/video messaging
wireless instant messaging
text messaging
global positioning system (GPS)
groupware
voice mail & web services
collaboration
NETWORK
local area network (LAN)
metropolitan area network (MAN)
wireless LAN (WLAN)
wide are network (WAN)
NETWORKS ARCHITECTURE
client/server network
peer to peer network
internet peer to peer
bus network
ring network
star network
INTRANET
makes information accessible to employees
include connection to internet
internal network that uses internet technologies
extranet allows customers/ suppliers to access part of company's intranet
BLUETOOTH
UWB, IrDA, RFID, WiMAX, WAP
SOFTWARE
helps user establish connection to internet
manage transmission of data, instruction & information
provide an interface for users to communicate
PSTN
dial - up line
MODEM
WIRELESS
CABLE
ISDN. / DSL
NETWORK CARD
process of 2 or more computers transfer data, instructions and onformation
collection of computer and devices connected through transmission media