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प्रश्न
Distinguish between broadcast mode and point-to-point mode of communication and give one example for each.
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उत्तर
The difference between point-to-point mode of communication and broadcast mode of communication :
| Point-to-point mode of communication | Broadcast mode of communication |
| Point to point communication mode is the communication over a link between a single transmitter and a receiver. | In broadcast mode large number of receivers are linked to a single transmitter. |
| Only one receiver is involved here | A large number of receivers may be involved. |
| Telephone is an example of such a system. | Radio is example of such system. |
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संबंधित प्रश्न
Explain the terms : Transmitter in communication system
What is the function of a 'Repeater' used in communication system?
Write the functions of the following in communication systems:
Transmitter
Write the functions of the following in communication systems:
Modulator
Write the functions of the following in communication systems:
Demodulator
A device X used in communication system can convert one form of energy into another. Name the device X. Explain the function of a repeater in a communication system.
Write the function of receiver in communication system.
A 1 KW signal is transmitted using a communication channel which provides attenuation at the rate of – 2dB per km. If the communication channel has a total length of 5 km, the power of the signal received is `["gain in dB" = 10 log ("P"_0/"P"_"i")]`
A basic communication system consists of ______.
- transmitter.
- information source.
- user of information.
- channel.
- receiver.
Choose the correct sequence in which these are arranged in a basic communication system:
Which of the following would produce analog signals and which would produce digital signals?
- A vibrating tuning fork.
- Musical sound due to a vibrating sitar string.
- Light pulse.
- Output of NAND gate.
