What are the advantages of using Computer Networks? Explain the following terms in the
context of computer networks:
(i) Circuit switching
(ii) Half Duplex transmission
(iii)Guided Channels
(iv)Infrared transmission.
Answers
Advantages of computer networks:
Following are the advantages of computer networks:
• Computer networks are highly inflexible and more convenient
• Through computer networks, it is very easy to share information across world and publicity is easier to do.
Circuit switching:
Circuit switching is a way of applying a telecommunications network in which two network bulge establish a dedicated communication channel through the network before the nodes may interconnect.
Half Duplex transmission:
Half Duplex transmission is a broadcast of data in just one direction at one time.
Guided Channels:
Guided Channels are those that offer a channel from one device to another, and it includes twisted pair cable, fibre optic cable.
Infrared transmission:
It refers to energy in the expanse of the electromagnetic radiation spectrum at wave lengths which is longer than those of visible light but shorter than those radio waves.
Know more:
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Explanation:
- 'Circuit switching' is a type of 'network' in which two nodes set up dedicated communication.
- 'Half-Duplex' refers to the transmission of data in a single direction at a time.
- 'Guided channels' produce a conductor from one device to the other.
- 'Infrared transmission' will be of shorter wavelengths and in between the frequencies of '300GHz and 400THz' in the 'electromagnetic spectrum'.
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