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Digital Circuits
Number System and Code Convertions
Marks 1Marks 2
Boolean Algebra
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Logic Gates
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Combinational Circuits
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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 1999
MCQ (Single Correct Answer)
+1
-0.3
Commercially available ECL gates use two ground lines and one negative supply in order to
A
reduce power dissipation
B
increase fan-out
C
reduce loading effect
D
eliminate the effect of power line glitches or the biasing circuit.
2
GATE ECE 1999
MCQ (Single Correct Answer)
+1
-0.3
A Darlington Emitter follower circuit is sometimes used in the output stage of a TTL gate in order to
A
increase its $${I_{OL}}$$
B
Reduce its $${I_{OH}}$$
C
Increase its speed of operation.
D
Reduce power Dissipation.
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The noise margin of a TTL gate is about
A
0.2V
B
0.4V
C
0.6V
D
0.8V
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The threshold voltage for each transistor in Fig.2.5, is 2V. For this circuit to work as an inverter, Vi must take the values GATE ECE 1998 Digital Circuits - Logic Families Question 18 English
A
-5 V and 0 V
B
-5 V and 5 V
C
-0 V and 3 V
D
3 V and 5 V
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Questions Asked from Marks 1
GATE ECE 2022 (1) GATE ECE 2014 Set 4 (1) GATE ECE 2009 (1) GATE ECE 2005 (2) GATE ECE 2004 (1) GATE ECE 2003 (1) GATE ECE 1999 (2) GATE ECE 1998 (2) GATE ECE 1997 (4) GATE ECE 1992 (1) GATE ECE 1991 (2) GATE ECE 1989 (2) GATE ECE 1987 (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