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Information and Communication Technology - 10
1.
At the receiving end, which part extracts the information signal?
a) Amplifier
b) Modulator
c) Receiver
d) Demodulator
2.
At the receiving end, which part delivers the information signal to the receptor?
a) Demodulator
b) Modulator
c) Amplifier
d) Receiver
3.
Which of the following is also called Telefacsimile’s machine?
a) Fax machines
b) Optical fibre
c) Photo phone
d) Cell phones
4.
Which of the following machine scans a page to convert its text and graphic into electronics signals?
a) Photo phone
b) Scanner
c) Fax machines
d) Bar code reader
5.
Which technology is applied in mobile phone?
a) Radio technology
b) Micro wave technology
c) Fax technology
d) Electrostatic wave technology
6.
Which of the following device is a type of radio having two-way communications?
a) Cell phone
b) Fax machine
c) Photo phone
d) Optical fibre
7.
Cell phone sends and receives the message in the form of......................?
a) None of these
b) Mechanical waves
c) Microwaves
d) Radio waves
8.
Which of the following parts are present in a cell phone network system?
a) Cells
b) BSs
c) MSC
d) All of these
9.
Which of the following parts are present in a cell phone network system?
a) Mobile Switching Centre
b) All of these
c) Base Stations
d) Cells
10.
How many parts a cell phone network system consists of?
a) Two
b) Four
c) One
d) Three
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