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Digital Circuits
Number System and Code Convertions
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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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Analog to Digital and Digital to Analog Converters
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1
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
A 2-bit binary multiplier can be implemented using
A
2 input AND gates only.
B
2 number of 2-input XOR gates and 6 number of 2-input AND gates.
C
Two 2-input NOR gates and one XNOR gate.
D
XOR gates and shift registers.
2
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
The output of the circuit shown in figure is equal to GATE ECE 1995 Digital Circuits - Combinational Circuits Question 13 English
A
0
B
1
C
$$\overline A B + A\overline B $$
D
$$\left( {\overline {A \oplus B} } \right) \oplus \left( {\overline {A \oplus B} } \right)$$
3
GATE ECE 1992
MCQ (Single Correct Answer)
+1
-0.3
The logic realized by the circuit shown in figure is GATE ECE 1992 Digital Circuits - Combinational Circuits Question 14 English
A
F = A $$ \odot $$ C
B
F = A $$ \oplus $$ C
C
F = B $$ \odot $$ C
D
F = B $$ \oplus $$ C
4
GATE ECE 1990
MCQ (Single Correct Answer)
+1
-0.3
The minimum function that can detect a "divisible by 3" 8421 BCD code digit (representation is D8 D4 D2 D1) is given by:
A
$${D_8}\,{D_1}\, + {D_4}\,{D_2}\, + \,\overline {{D_8}} \,{D_2}\,{D_1}$$
B
$${D_8}\,{D_1}\, + {D_4}\,{D_2}\,\overline {{D_1}} \, + \,\overline {{D_4}} \,{D_2}{D_1} + \overline {{D_8}} \,\overline {{D_4}} \,\overline {{D_2}} \,\overline {{D_1}} \,$$
C
$${D_8}\,{D_1}\, + \,{D_4}\,{D_2}\, + \,\overline {{D_8}} \,\overline {{D_4}} \,\overline {{D_2}} \,\overline {{D_1}} \,$$
D
$${D_4}\,{D_2}\,\overline {{D_1}} \, + \,{D_4}\,{D_2}\,{D_1}\, + \,{D_8}\,\overline {{D_4}} \,{D_2}{D_1}$$
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GATE ECE 2025 (1) GATE ECE 2023 (1) GATE ECE 2022 (1) GATE ECE 2017 Set 2 (1) GATE ECE 2016 Set 2 (1) GATE ECE 2014 Set 2 (1) GATE ECE 2012 (1) GATE ECE 2011 (1) GATE ECE 2005 (1) GATE ECE 2003 (1) GATE ECE 1997 (1) GATE ECE 1995 (1) GATE ECE 1992 (1) GATE ECE 1990 (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