# Reliance Jio Digital Processing Quiz-1

Question 1

Time: 00:00:00

1. DSP stands for?

Digital signal processing

Digital signal processing

Discrete signal processing

Discrete signal processing

Double signal processor

Double signal processor

None of the above

None of the above

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Question 2

Time: 00:00:00

1. Determine the convolution sum of two sequences x(n) = {3, 2, 1, 2} and h(n) = {1, 2, 1, 2}

y(n) = {3,8,8,12,9,4,4}

y(n) = {3,8,8,12,9,4,4}

y(n) = {3,8,3,12,9,4,4}

y(n) = {3,8,3,12,9,4,4}

y(n) = {3,8,8,12,9,1,4}

y(n) = {3,8,8,12,9,1,4}

y(n) = {3,8,8,1,9,4,4}

y(n) = {3,8,8,1,9,4,4}

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Question 3

Time: 00:00:00

1. Sampling theorem :

fm

fm

fs>fm

fs>fm

fs>=2fm

fs>=2fm

fs=2fm

fs=2fm

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Question 4

Time: 00:00:00

1. Application of Convolution:

FIR Filtering

FIR Filtering

Manipulation

Manipulation

None of these

None of these

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Question 5

Time: 00:00:00
5)   The speech signal is obtained after

Analog to digital conversion

Analog to digital conversion

Digital to analog conversion

Digital to analog conversion

Modulation

Modulation

Quantization

Quantization

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Question 6

Time: 00:00:00
6)   Telegraph signals are examples of

Digital signals

Digital signals

Analog signals

Analog signals

Impulse signals

Impulse signals

Pulse train

Pulse train

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Question 7

Time: 00:00:00
7)   As compared to the analog systems, the digital processing of signals allow

1) Programmable operations
2) Flexibility in the system design
3) Cheaper systems
4) More reliability

1, 2 and 3 are correct

1, 2 and 3 are correct

1 and 2 are correct

1 and 2 are correct

1, 2 and 4 are correct

1, 2 and 4 are correct

All the four are correct

All the four are correct

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Question 8

Time: 00:00:00
8)   The Nyquist theorem for sampling

1) Relates the conditions in time domain and frequency domain
2) Helps in quantization
3) Limits the bandwidth requirement
4) Gives the spectrum of the signal

1, 2 and 3 are correct

1, 2 and 3 are correct

1 and 2 are correct

1 and 2 are correct

1 and 3 are correct

1 and 3 are correct

All the four are correct

All the four are correct

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Question 9

Time: 00:00:00
9)   Roll-off factor is

The bandwidth occupied beyond the Nyquist Bandwidth of the filter

The bandwidth occupied beyond the Nyquist Bandwidth of the filter

The performance of the filter or device

The performance of the filter or device

Aliasing effect

Aliasing effect

None of the above

None of the above

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Question 10

Time: 00:00:00
10) A discrete time signal may be

Samples of a continuous signal

Samples of a continuous signal

A time series which is a domain of integers

A time series which is a domain of integers

Time series of sequence of quantities

Time series of sequence of quantities

Amplitude modulated wave

Amplitude modulated wave

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