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
|
Token |
standard specifies that computers and devices on the network share or pass a special signal |
|
|
TCP/IP |
Is a network protocol that defines how messages (data) are routed from one end of a network to another |
|
|
Ethernet |
is a network standard that specifies no central computer or device on the network (nodes should control when data can be transmitted |
|
|
UWB (ultra -wideband |
is a network standard that specifies how two UWB devices use short range transmit data |
|
|
IrDA |
transmits data wirelessly via infrared IR light wave |
|
|
RFID |
is a protoco that defines how a network uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person |
|
|
NFL near field communication |
• is a protocol, based on RFID, thatdefines how a network uses close-range radio signals to communicate between twodevices or objects equipped with NFC technology |
|
|
communicationsdevice |
•any type of hardware capable oftransmitting data, instructions, and information between a sending device and areceiving device |
|
|
broadband modem |
•sends and receives data and informationto and from a digital line |
|
|
Transmission Media |
•Transmission media carries one or morecommunications signals •Broadband mediatransmit multiple signals simultaneously •The amount of data,instructions, and information that can travel over transmissionmedia sometimesis called the bandwidth •Latency isthe time it takes a signal to travel from one location to another on a network |
|
|
Broadcastradio |
• isa wireless transmission medium that distributes radio signals through the airover long distances |
|
|
Cellularradio |
•a form of broadcast radio that is in wideuse for mobile communications |
|
|
communicationssatellite |
•a space station that receives microwavesignals from an earth-based station, amplifies it, and broadcasts the signalover a wide area to any number of earth-based stations |
|
|
GPS (globalpositioning system) |
•a navigation system that consists of oneor more earth-based receivers that accept and analyze signals sent bysatellites in order to determine the receiver’s geographical location |
