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Digital Circuits
Number System and Code Convertions
Marks 1Marks 2
Boolean Algebra
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Logic Gates
Marks 1Marks 2Marks 5Marks 8
Combinational Circuits
Marks 1Marks 2Marks 5Marks 8Marks 10
Sequential Circuits
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Semiconductor Memories
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Logic Families
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Analog to Digital and Digital to Analog Converters
Marks 1Marks 2
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1
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
2
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
For the ring oscillator shown in the figure, the propagation delay of each inverter is 100 pico sec. What is the fundamental frequency of the oscillator output? GATE ECE 2001 Digital Circuits - Logic Gates Question 27 English
A
10 MHz
B
100 MHz
C
1 GHz
D
2 GHz
3
GATE ECE 2000
MCQ (More than One Correct Answer)
+1
-0
For the logic circuit shown in Figure, the required input condition (A, B, C) to make the output (X)=1. GATE ECE 2000 Digital Circuits - Logic Gates Question 28 English
A
1, 0, 1
B
0, 0, 1
C
1, 1, 1
D
0, 1, 1
4
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
The output of the logic gate in figure is GATE ECE 1997 Digital Circuits - Logic Gates Question 33 English
A
0
B
1
C
$$\overline A \,$$
D
A
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Questions Asked from Marks 1
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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