Quiz-1

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Question 1

Time: 00:00:00
What is frequency reuse?

Process of selecting and allocating channels

Process of selecting and allocating channels

Process of selection of mobile users

Process of selection of mobile users

Process of selecting frequency of mobile equipment

Process of selecting frequency of mobile equipment

Process of selection of number of cells

Process of selection of number of cells

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Question 2

Time: 00:00:00
Which of the following is a universally adopted shape of cell?

Hexagon

Hexagon

Square

Square

Triangle

Triangle

Circle

Circle

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Question 3

Time: 00:00:00
What is the concept for accommodating a large number of users in a limited radio spectrum?

Grade of service

Grade of service

Trunking

Trunking

Multiplexing

Multiplexing

Multitasking

Multitasking

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Question 4

Time: 00:00:00
In angle modulation, signal to noise ratio before detection is a function of ______

Modulation index

Modulation index

Input signal to noise ratio

Input signal to noise ratio

Maximum frequency of the message

Maximum frequency of the message

IF filter bandwidth

IF filter bandwidth

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Question 5

Time: 00:00:00
The bandwidth of FDMA channel is ______

Wide

Wide

Narrrow

Narrrow

Zero

Zero

Large

Large

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Question 6

Time: 00:00:00
The number of possible signal in M-ary signalling is given by M and M=_____, where n is an integer.

n

n

2n

2n

3n

3n

5n

5n

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Question 7

Time: 00:00:00
What is the modulation index of MSK?

0.1

0.1

0.5

0.5

1

1

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Question 8

Time: 00:00:00
Constant envelope modulation techniques occupy ______ bandwidth than linear modulation schemes.

Larger

Larger

Smaller

Smaller

Same

Same

Twice

Twice

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Question 9

Time: 00:00:00
Which of the following FM demodulator is sometimes known as pulse averaging discriminator?

Slope detection

Slope detection

Zero crossing detection

Zero crossing detection

Quadrature detection

Quadrature detection

Phase locked discriminator

Phase locked discriminator

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Question 10

Time: 00:00:00
An adaptive quantizer varies its _____ in accordance to input speech signal power.

Level

Level

Step size

Step size

Amplitude

Amplitude

Frequency

Frequency

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["0","40","60","80","100"]
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