Communications and networks by bigzaa littlebig

Communications and networks

Uses of Computer Communications

Blogs

Chat rooms

E-mail

Fax

FTP

Instant messaging

Internet

Newsgroups

RSS

Video conferencing

VoIP

Web

Web 2.0

Web folders

Wikis

Networks

Advantages of a network

local area network (LAN)

wireless LAN (WLAN)

wide area network (WAN)

Network Communications Standards

Ethernet

Tokenring

TCP/IP

Wi-Fi

Bluetooth

UWB

IrDA

RFID

WiMAX

WAP

Communications software

Help users establish a connection to another computer or network

Manage the transmission of data, instructions,and information

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 line

ATM

Communications Devices

dial?up modem

digital modem

wireless modem

network card

wireless access point

router

hub or switch

Home Networks

wired home networks

Communications Channel

bandwidth

Latency

Transmission media

Broadband

Physical Transmission Media

Twisted-pair cable

Fiber-optic cable

Coaxial cable

Wireless Transmission Media

Cellular radio

Microwaves

communications satellite