GATE ECE 2001 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2001

MCQ (Single Correct Answer)

-0.6

During transmission over a communication channel, bit errors occur independently with probability 'p'. If a block of n bits is transmitted, the probability of at most one bit error is equal to

$$1 - {\left( {1 - p} \right)^n}$$

$$p + \left( {n - 1} \right)\left( {1 - p} \right)$$

$$np - {\left( {1 - p} \right)^{n - 1}}$$

$${\left( {1 - p} \right)^n} + np{\left( {1 - p} \right)^{n - 1}}$$

GATE ECE 2001

MCQ (Single Correct Answer)

-0.6

A video transmission system transmits 625 picture frames per second. Each frame consists of a $$400\,\, \times \,\,400$$ pixel grid with 64 intensity levels per pixel. The data rate of the system is

16 Mbps

100 Mbps

600 Mbps

6.4 Gbps

GATE ECE 2001

MCQ (Single Correct Answer)

-0.3

The root-locus diagram for a closed loop feedback system is shown in Figure. The system is overdamped. GATE ECE 2001 Control Systems - Root Locus Diagram Question 8 English

GATE ECE 2001 Control Systems - Root Locus Diagram Question 8 English

$$only\;if\;0\;\leq\;K\;\leq\;1$$

$$only\;if\;1\;<\;K\;<\;5$$

$$only\;if\;\;K\;>\;5$$

$$if\;0\;\leq\;K\;<\;1\;or\;K\;>\;5$$

GATE ECE 2001

Subjective

-0

A feedback control system is shown in figure GATE ECE 2001 Control Systems - Signal Flow Graph and Block Diagram Question 15 English

(a) Draw the signal-flow graph that represents the system.
(b) Find the total number of loops in the graph and determine the loop-gains of all the loops.
(c) Find the number of all possible combination of non-touching loops taken two at a time.
(d) Determine the transfer function of the system using the signal-flow graph.

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