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Digital Circuits
Number System and Code Convertions
Marks 1Marks 2
Boolean Algebra
Marks 1Marks 2Marks 4Marks 5Marks 10
Logic Gates
Marks 1Marks 2Marks 5Marks 8
Combinational Circuits
Marks 1Marks 2Marks 5Marks 8Marks 10
Sequential Circuits
Marks 1Marks 2Marks 5Marks 8
Semiconductor Memories
Marks 1Marks 2
Logic Families
Marks 1Marks 2Marks 8
Analog to Digital and Digital to Analog Converters
Marks 1Marks 2
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1
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
The output Y in the circuit below is always ‘1’ when GATE ECE 2011 Digital Circuits - Logic Gates Question 23 English
A
two or more of the inputs P, Q, R are ‘0’
B
two or more of the inputs P, Q, R are ‘1
C
any odd number of the inputs P, Q, R is ‘0’
D
any odd number of the inputs P, Q, R is ‘1’
2
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
For the output F to be 1 in the logic circuit shown, the input combination should be GATE ECE 2010 Digital Circuits - Logic Gates Question 24 English
A
A = 1, B= 1. C = 0
B
A = 1, B= 0,C = 0
C
A = 0, B= 1. C = 0
D
A = 0, B= 0, C = 1
3
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
Match the logic gates in column A with their equivalents in column B. GATE ECE 2010 Digital Circuits - Logic Gates Question 25 English
A
P-2, Q-4, R-1, S-3
B
P-4, Q-2, R-1, S-3
C
P-2, Q-4, R-3, S-1
D
P-4, Q-2, R-3, S-1
4
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
If the input to the digital circuit (in the figure) consisting of a cascade of 20 XOR-gates is X then the output Y is equal to

GATE ECE 2002 Digital Circuits - Logic Gates Question 26 English
A
O
B
1
C
$$\overline X $$
D
X
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Questions Asked from Marks 1
GATE ECE 2025 (1) GATE ECE 2023 (1) GATE ECE 2016 Set 1 (1) GATE ECE 2016 Set 3 (1) GATE ECE 2015 Set 2 (1) GATE ECE 2015 Set 3 (1) GATE ECE 2014 Set 4 (1) GATE ECE 2013 (1) GATE ECE 2011 (1) GATE ECE 2010 (2) GATE ECE 2002 (1) GATE ECE 2001 (1) GATE ECE 2000 (1) GATE ECE 1997 (1) GATE ECE 1995 (1) GATE ECE 1994 (1) GATE ECE 1993 (2) GATE ECE 1989 (1) GATE ECE 1988 (5)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics