Digital Circuits
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


2
GATE ECE 2001
MCQ (Single Correct Answer)
+2
-0.6
In the figure the LED

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 Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics