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1
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the following circuit, X is given by GATE ECE 2007 Digital Circuits - Combinational Circuits Question 28 English
A
$$X = \,A\overline B \,\overline C + \overline A \,B\,\overline C + \overline A \,\overline B C + ABC$$
B
$$X = \,\overline A \,BC + A\overline B C + AB\overline C + \overline A \,\overline B \,\overline C $$
C
$$X = AB + BC + AC$$
D
$$X = \,\overline A \,\overline B \, + \overline B \,\overline C \, + \overline A \,\overline C $$
2
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
The minimum number of 2 to 1 multiplexers required to realize a 4 to 1 mutliplexer is
A
1
B
2
C
3
D
4
3
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
The circuit shown in figure converts GATE ECE 2003 Digital Circuits - Combinational Circuits Question 31 English
A
BCD to binary code
B
Binary to excess – 3 code
C
Excess – 3 to Gray code
D
Gray to Binary code.
4
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
The circuit shown in figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z with
Y = $$\,P \oplus \,Q\, \oplus \,R$$
z= $$RQ + \overline P R\, + Q\,\overline P $$ GATE ECE 2003 Digital Circuits - Combinational Circuits Question 30 English The circuit acts as a
A
4 bit adder giving P + Q
B
4 bit subtractor-giving P - Q
C
4 bit subtractor-giving Q - P
D
4 bit adder giving P + Q + R
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GATE ECE Subjects
Signals and Systems
Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous
Network Theory
State Equations For Networks Network Elements Network Theorems Two Port Networks Transient Response Sinusoidal Steady State Response Network Graphs Miscellaneous
Control Systems
Signal Flow Graph and Block Diagram Time Response Analysis Compensators Basic of Control Systems Frequency Response Analysis Stability Root Locus Diagram State Space Analysis
Digital Circuits
Logic Gates Boolean Algebra Analog to Digital and Digital to Analog Converters Sequential Circuits Combinational Circuits Logic Families Number System and Code Convertions Semiconductor Memories
General Aptitude
Numerical Ability Verbal Ability
Electronic Devices and VLSI
PN Junction Semiconductor Physics IC Basics and MOSFET BJT and FET
Analog Circuits
Bipolar Junction Transistor FET and MOSFET Oscillators Operational Amplifier 555 Timer Frequency Response Diodes Feedback Amplifier Power Amplifier
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Complex Variable Probability and Statistics Differential Equations Numerical Methods Transform Theory
Microprocessors
Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085
Communications
Analog Communication Systems Digital Communication Systems Random Signals and Noise Fundamentals of Information Theory Noise In Digital Communication
Electromagnetics
Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous
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