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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 2014 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The output F in the digital logic circuit shown in the figure is GATE ECE 2014 Set 1 Digital Circuits - Logic Gates Question 12 English
A
$$F\, = \overline X YZ + X\overline Y Z$$
B
$$F\, = \overline X YZ + X\overline Y Z$$
C
$$F\, = \,\overline X \overline Y Z + XYZ$$
D
$$F\, = \,\overline X \overline Y \overline {Z + } XYZ$$
2
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
Which of the follwing Boolean expression correctly represents the relation between P, Q, R and M1?

GATE ECE 2008 Digital Circuits - Logic Gates Question 13 English
A
M1=(P OR Q) XOR R
B
M1=(P AND Q) XOR R
C
M1=(P NOR Q) XOR R
D
M1=(P XOR Q) XOR R
3
GATE ECE 2002
MCQ (Single Correct Answer)
+2
-0.6
The gates G1 and G2 in figure have propagation delays of 10nsec and 20nsec respectively. If the input Vi makes an abrupt change from logic 0 to 1 at time t = t0, then the output waveform V0 is

GATE ECE 2002 Digital Circuits - Logic Gates Question 14 English
A
GATE ECE 2002 Digital Circuits - Logic Gates Question 14 English Option 1
B
GATE ECE 2002 Digital Circuits - Logic Gates Question 14 English Option 2
C
GATE ECE 2002 Digital Circuits - Logic Gates Question 14 English Option 3
D
GATE ECE 2002 Digital Circuits - Logic Gates Question 14 English Option 4
4
GATE ECE 2001
MCQ (Single Correct Answer)
+2
-0.6
In the figure the LED GATE ECE 2001 Digital Circuits - Logic Gates Question 15 English
A
emits light when both S1 and S2 are closed.
B
emits light when both S1 and S2 are open.
C
emits light when only S1 or S2 is closed.
D
does not emit light, irrespective of the switch positions.
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Questions Asked from Marks 2
GATE ECE 2022 (1) GATE ECE 2018 (1) GATE ECE 2015 Set 1 (2) GATE ECE 2015 Set 3 (1) GATE ECE 2014 Set 1 (1) GATE ECE 2008 (1) GATE ECE 2002 (1) GATE ECE 2001 (1) GATE ECE 2000 (1)
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