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Information and Communication Technology - 7
1.
In which waveform, information is sent through space, in radio?
a) Magnetic waves
b) Mechanical waves
c) Electrical waves
d) Electromagnet waves
2.
In which waveform, information is
a) Magnetic waves
b) Electrical waves
c) Electromagnet waves
d) Mechanical waves
3.
In which waveform, information is sent through space, in cell phones?
a) Mechanical waves
b) Magnetic waves
c) Electrical waves
d) Electromagnet waves
4.
In which waveform, information is sent through space, in telephones?
a) Mechanical waves
b) Electrical signals
c) Magnetic waves
d) Electromagnet waves
5.
Which of the following wave is used for satellite communications?
a) Mechanical waves
b) Microwaves
c) Radio waves
d) Electrical signals
6.
Which of the following are the essential parts of any communication system?
a) Transmitter
b) Transmission channel
c) All of these
d) Receiver
7.
Which part of communication system processes the input signal?
a) Receiver
b) Transmitter
c) Coaxial cable
d) Transmission channel
8.
Which part of communication system sends the signal from source to destination?
a) Transmission channel
b) Transmitter
c) Receiver
d) Microwave
9.
Which part of communication system takes the signal from source?
a) Receiver
b) Transmitter
c) Transmission channel
d) Microwave
10.
How many are the essential parts of any communication system?
a) Three
b) Four
c) Five
d) Two
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