1
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In a half-subtractor circuit with X and Y as inputs, the Borrow (M) and Difference (N = X - Y) are given by
2
GATE ECE 2012
MCQ (Single Correct Answer)
+1
-0.3
The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B.
The number of combinations for which the output is logic 1, is
3
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
The logic function implemented by the circuit below is (ground implies a logic "0"


4
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The Boolean function f implemented in the figure using two input multiplexers is

Questions Asked from Combinational Circuits (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Representation of Continuous Time Signal Fourier Series
Discrete Time Signal Fourier Series Fourier Transform
Discrete Time Signal Z Transform
Continuous Time Linear Invariant System
Transmission of Signal Through Continuous Time LTI Systems
Discrete Time Linear Time Invariant Systems
Sampling
Continuous Time Signal Laplace Transform
Discrete Fourier Transform and Fast Fourier Transform
Transmission of Signal Through Discrete Time Lti Systems
Miscellaneous
Fourier Transform
Communications
Electromagnetics
General Aptitude