Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Ways to connect to the Internet
|
narrowband
broadband access providers |
|
|
bandwith
|
how much data-text, voice, video, and so on-can be sent through a communications channel in a given amount of time. Size of data channel.
|
|
|
broadband
|
multiple signals transmitted at once.
high speed connections Examples: DSL, cable, satellite, other wireless connections |
|
|
baseband
|
one signal at a time
|
|
|
bps
|
bits per second
|
|
|
kbps
|
kilobits - thousand bits per second
|
|
|
mbps
|
megabits-million bits per second
|
|
|
gbps
|
gigabits-billion bits per second
|
|
|
modems
|
narrowband or low bandwidth
slow but cheap sends and receives data over phone line |
|
|
POTS
|
plain old telephone system
|
|
|
DSL
|
1.5 to 10 mbps-digital subscriber line
|
|
|
TI
|
traditional trunk line, a fiber-optic or copper line separate from the phone line that carries 24 normal telephone circuits and has a transmission rate of 1.5 to 6 Mbps.
|
|
|
communication satellite
|
a space station that transmits radio waves called microwaves from earth-based stations.
|
|
|
wireless networks
|
use radio waves to transmit data
|
