1
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 12 English
A
GATE ECE 2002 Digital Circuits - Logic Gates Question 12 English Option 1
B
GATE ECE 2002 Digital Circuits - Logic Gates Question 12 English Option 2
C
GATE ECE 2002 Digital Circuits - Logic Gates Question 12 English Option 3
D
GATE ECE 2002 Digital Circuits - Logic Gates Question 12 English Option 4
2
GATE ECE 2001
MCQ (Single Correct Answer)
+2
-0.6
In the figure the LED GATE ECE 2001 Digital Circuits - Logic Gates Question 13 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.
3
GATE ECE 2000
MCQ (Single Correct Answer)
+2
-0.6
For the logic circuit shown in the figure, the simplified Boolean expression for the output Y is GATE ECE 2000 Digital Circuits - Logic Gates Question 14 English
A
A + B + C
B
A
C
B
D
C
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