GATE ECE 2020 Paper 1 — page 8

Questions 22–24 of 65. Imported answers require review unless explicitly marked reviewed.

A digital communication system transmits a block of

bits. The probability of error in decoding a bit is

. The error event of each bit is independent of the error events of the other bits. The received block is declared erroneous if at least one of its bits is decoded wrongly. The probability that the received block is erroneous is

Your answerChoose one option.

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The impedances

, for all

in the range

, map to the Smith chart as

Your answerChoose one option.

a circle of radius 1 with centre at (0, 0).

a point at the centre of the chart.

a line passing through the centre of the chart.

a circle of radius 0.5 with centre at (0.5, 0).

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Which one of the following pole-zero plots corresponds to the transfer function of an LTI system characterized by the input-output difference equation given below?

Your answerChoose one option.

Diagram for Electronics and Communication Engineering question 14

Diagram for Electronics and Communication Engineering question 14 (figure 2)

Diagram for Electronics and Communication Engineering question 14 (figure 3)

Diagram for Electronics and Communication Engineering question 14 (figure 4)

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2020 · Paper 1

Question 12

Question 13

Question 14