1
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+2
-0.6
A three bit pseudo random number generator is shown. Initially the value of output Y = Y2 Y1 Y0 is set to 111. The value of output Y after three clock cycles is

2
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+2
-0.6
An SR latch is implemented using TTL gates as shown in the figure. The set and reset pulse inputs are provided using the push-button switches. It is observed that the circuit fails to work as desired. The SR latch can be made functional by changing

3
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
The outputs of the two flip-flops Q1, Q2 in the figure shown are initialized to 0, 0. The sequence
generated at Q1 upon application of clock signal is

4
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, choose the correct timing diagram of the output (y) from the given waveforms
W1, W2, W3 and W4.


Questions Asked from Sequential Circuits (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2018 (1)
GATE ECE 2017 Set 1 (2)
GATE ECE 2017 Set 2 (1)
GATE ECE 2016 Set 2 (2)
GATE ECE 2015 Set 2 (1)
GATE ECE 2015 Set 3 (2)
GATE ECE 2014 Set 2 (2)
GATE ECE 2014 Set 1 (1)
GATE ECE 2012 (1)
GATE ECE 2011 (2)
GATE ECE 2009 (1)
GATE ECE 2008 (1)
GATE ECE 2007 (2)
GATE ECE 2006 (1)
GATE ECE 2004 (1)
GATE ECE 2003 (1)
GATE ECE 2001 (1)
GATE ECE 2000 (2)
GATE ECE 1999 (1)
GATE ECE 1998 (1)
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