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How is data retrieved from the telephone?
how is data retrieved from the telephone? the transmitter converts the sound waves to electrical signals which are sent through the telephone network to the receiving phone. the receiving telephone converts the signals into audible sound in the receiver.
What describes the combination of voice such as telephone video and data signals sent over the same network?
Convergence
What travels in a telephone?
Signals.
What converts analogue signals to digital signals for transmission over telephone lines?
Actually you have this backwards, the telephone lines can only carry analogue signals (voice band, 20Hz to 3KHz) not digital signals.The device that converts digital signals to analogue signals for transmission over telephone lines is called a phone MoDem(this stands for phone modulator demodulator). At the opposite end of the line it of course converts the telephone analogue signals back to digital signals.
What are binary telephone signals?
Telephone signals that are made from the binary code, which originates from the base two numbers 0 and 1
How far can cellular telephone signals travel?
Cellular telephone signals can travel up to 22 miles.
How is DSL able to carry telephone and data signals at the same time?
Both telephone and data signals can be received at the same time by use of a microfilter. This device increases the data-carrying capacity of the line without disturbing the telephone signals.
How is LAN communication different from telephone communication?
LAN stands for local area network, and has nothing to do with telephone communications. LAN has 2 purposes:1.allows multiple computers to use the same internet connection,2.allows local computers to talk to each other(exmaple: sending a file from your computer to you're sister's computer)A telephone uses analog signals, a LAN uses digital signals.
Which network device regenerates the data signal without segmenting the network?
The network device that regenerates data signals without segmenting the network is a repeater. Repeaters are used to prevent attenuation of signals.
What term means to issue signals along a network medium such as a cable?
which term means to issue signals along a network medium such as a cable
What is the purpose of phone calls?
Phone calls allow voice communication between two or more people without the people involved being near each-other via the telephone cable network. A telephone is needed to convert the sound to electrical signals and vice versa.
Why a pair of modems is required to transmit the digital signals over a long telephone wire Why not a single modem?
first modem will be modulating electrical signals in the voice frequency range of a telephone channel. These signals can be transmitted over telephone line and demodulated by another modem at the receiver side to recover the digital data.
