# Networks, Signals and Systems-LTI Systems [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 3 of 22

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## Question 1

Appeared in Year: *2018 (UGC-NET)*

### Question

MCQ▾Consider the following statements regarding poles and zeroes of network function.

1) The total number of poles is equal to the total number of zeroes in rational network function.

2) The poles and zeroes of a network function determine the magnitude of the response.

3) The poles of a network function determine the waveform of the time variation of the response.

Which of the above statements are correct? (July)

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1) and 2) only | |

b. | 2) and 3) only | |

c. | 1) and 3) only | |

d. | 1) , 2) and 3) |

## Question 2

Appeared in Year: *2019*

### Question

MCQ▾It is desired to find three-tap causal filter which gives zero signal as an output to an input of the form

Where c_{1} and c_{2} are arbitrary real numbers. The desired three-tap filter is given by And .

What are the values of the filter taps a and b if the output is for all n, when x [n] is as given above? (Carry One Mark Each)

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |

## Question 3

Appeared in Year: *2010*

### Question

MCQ▾Consider the pulse shape as shown. The impulse response of the filter matched to this pulse is

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |