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GATETECH

GATE EC question library

Practise GATE EC Electronics and Communication previous year questions free. Browse by subject, syllabus topic, year and question type, with answers and available solutions.

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Official PYQ2009Engineering MathematicsCalculusMCQ · 1 mark
The Taylor series expansion of sin⁡xx−π\dfrac{\sin x}{x-\pi} at x=πx=\pi is given by
Official PYQ2009Engineering MathematicsLinear AlgebraMCQ · 1 mark
The eigen values of the following matrix are [−135−3−16003]\left[\begin{array}{ccc} -1 & 3 & 5 \\ -3 & -1 & 6 \\ 0 & 0 & 3 \end{array}\right]
Official PYQ2009Digital CircuitsCombinatorial CircuitsMCQ · 1 mark
What are the minimum number of 22-to-11 multiplexers required to generate a 22-input AND\text{AND} gate and a 22-input Ex-OR\text{Ex-OR} gate?
Official PYQ2009Digital CircuitsSequential CircuitsMCQ · 1 mark
Refer to the NAND and NOR latches shown in the figure. The inputs (P1,P2)\left(P_{1}, P_{2}\right) for both the latches are first made (0,1)(0,1) and then, after a few seconds, made (1,1)(1,1). The corresponding stable outputs (Q1,Q2)\left(Q_{1}, Q_{2}\right) are