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How do wireless communication systems send and receive signals?
on electromagnetic wavesThrough Tx and Rx devices which send signal to the station
How do wireless communication systems send receive signals?
on electromagnetic wavesThrough Tx and Rx devices which send signal to the station
What type of signal uses existing telephone copper wires to send and receive?
both analog and digital.
What is simplex and full duplex?
Simplex communication is one way only. One host transmits, one receives, but they can't do both. A radio is an example. You can receive a signal but you can't send a reply. Half-duplex is two-way, but you can't transmit and receive at the same time. A walkie-talkie ir CB radio is an example. Full duplex is two-way, and you can send and receive at the same time. A telephone is full duplex. You are sending (talking) and receiving (listening and hearing) at the same time.
What is Vulnerable time in terms of CSMACD?
CSMA\CD means that when a Clint want to send a signal if is it free it will send the signal and it happens in other Clint at the same time so the signal will crash and then they will try again later after period of time.
How do wireless communication system and and receive signals?
on electromagnetic wavesThrough Tx and Rx devices which send signal to the station
When a network device can both send and receive data at the same time?
full-duplex
What transmission techniques let computer to alternatively send and receive data?
full duplex
What do repeaters do to an incoming signal?
They read it and then send it out again in a stronger form so that the signal doesn't degrade and get lost which would happen if it wasn't boosted by a repeater.
What is regenrative repeater?
A: Signal travel in a line of sight on mountains there are repeater to by pass the mountain to the next town, A regenerative repeaters will restore this signal before it send it out again
What does each part of the cell do?
The dendrites receive the stimulus, the soma, or cyton, which contains the nucleus interprets the signal, and the axon and its terminals send the signal to another nerve cell, a muscle, or a gland.
What is the difference between half-duplex and full-duplex transmission modes?
Half duplex is mode of communication in which both can send data but only one can receive at a time. Full duplex is mode of communication in which both can send and receive data at a same time.
