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1
GATE EE 2002
MCQ (Single Correct Answer)
+2
-0.6
For the circuit shown in Fig. the Boolean expression for the output $$Y$$ in terms of inputs $$P,$$ $$Q,$$ $$R$$ and $$S$$ is GATE EE 2002 Digital Electronics - Logic Gates Question 7 English
A
$$\overline P + \overline Q + \overline R + \overline S $$
B
$$P+Q+R+S$$
C
$$\left( {\overline P + \overline Q } \right)\left( {\overline R + \overline S } \right)$$
D
$$(P+Q) (R+S)$$
2
GATE EE 1999
MCQ (Single Correct Answer)
+2
-0.6
For a flip-flop formed from two $$NAND$$ gates as shown in figure. The unusable state corresponds to GATE EE 1999 Digital Electronics - Logic Gates Question 9 English
A
$$X = 0,\,\,Y = 0$$
B
$$X = 0,\,\,Y = 1$$
C
$$X = 1,\,\,Y = 0$$
D
$$X = 1,\,\,Y = 1$$
3
GATE EE 1999
MCQ (Single Correct Answer)
+2
-0.6
The logic function $$f = \overline {\left( {x.\overline y } \right) + \left( {\overline x .y} \right)} $$ is the same as
A
$$f = \left( {x + y} \right)\left( {\overline x + \overline y } \right)$$
B
$$f = \overline {\left( {\overline x + \overline y } \right) + \left( {x + y} \right)} $$
C
$$f = \left( {\overline x .\overline y } \right) + \left( {\overline x .\overline y } \right)$$
D
None of $$(A),(B),(C)$$
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Continuous and Discrete Time Signals Linear Time Invariant Systems Continuous Time Signal Fourier Transform Discrete Time Signal Z Transformation Continuous Time Signal Laplace Transform Sampling Theorem Continuous Time Periodic Signal Fourier Series Miscellaneous
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Choppers and Commutation Techniques Ac Voltage Controllers Single and Three Phase Rectifier Power Semiconductor Devices Inverters
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Analog Electronics
Diode Circuits and Applications Bjt and Mosfet Biasing Small Signal Modeling Feedback Amplifiers and Oscillator Circuits Operational Amplifier Frequency Response 555 Timer
Control Systems
Block Diagram and Signal Flow Graph Polar Nyquist and Bode Plot State Variable Analysis Basics of Control System Routh Hurwitz Stability Time Response Analysis Root Locus Techniques Controller and Compensator
Digital Electronics
Sequential Circuits Microprocessor Boolean Algebra Analog to Digital and Digital to Analog Converter Combinational Circuits Minimization Logic Families and Memories Logic Gates
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Basic of Indicating Instruments Error Analysis and Measurement Measurement of Resistance and A.C Bridges Measurement of Energy and Power Digital Voltmeters Questions Potentiometer and Instrument Transformers Cathode Ray Oscilloscope
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