Digital Circuits
Number System and Code Convertions
Marks 1Marks 2
Sequential Circuits
Marks 1Marks 2Marks 5Marks 8
Semiconductor Memories
Marks 1Marks 2
Logic Families
Marks 1Marks 2Marks 8
Analog to Digital and Digital to Analog Converters
Marks 1Marks 2
1
GATE ECE 2014 Set 3
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, 𝑊𝑊 and 𝑌𝑌 are MSBs of the control inputs. The output 𝐹𝐹 is given by GATE ECE 2014 Set 3 Digital Circuits - Combinational Circuits Question 28 English
A
$$F = \,W\overline X + \overline W X + \overline Y \,\overline Z $$
B
$$F = \,W\overline X + \overline W X + \overline Y \,Z$$
C
$$F = \,W\overline X \,\overline Y + \overline W X\,\overline Y $$
D
$$F = \,(\overline W + \overline X )\,\,\overline Y \,\overline Z $$
2
GATE ECE 2010
MCQ (Single Correct Answer)
+2
-0.6
The Boolean function realized by the logic circuit shown is GATE ECE 2010 Digital Circuits - Combinational Circuits Question 29 English
A
F=∑m(0,1,3,5,9,10,14)
B
F=∑m(2,3,5,7,8,12,13)
C
F=∑m(1,2,4,5,11,14,15)
D
F=∑m(2,3,5,7,8,9,12)
3
GATE ECE 2009
MCQ (Single Correct Answer)
+2
-0.6
What are the minimum number of 2-to 1 multiplexers required to generate a 2-input AND gate and a 2-input EX-OR gate?
A
1 and 2
B
1 and 3
C
1 and 1
D
2 and 2
4
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
For the circuit shown in the following figure $${I_0}$$ - $${I_3}$$ are inputs to the 4:1 multiplexer R(MSB) and S are control bits. tHE OUTPUT Zcan be represented by GATE ECE 2008 Digital Circuits - Combinational Circuits Question 31 English
A
PQ+P$$\overline {Q\,} S + \,\overline {Q\,} \overline R \,\overline S $$
B
$$P\,\overline {Q\,} + PQ\,\overline R \, + \,\overline R \,\overline {Q\,} \,\overline S $$
C
$$P\,\overline {Q\,} \overline R + \overline P \,QR + PQRS + \overline {Q\,} \overline R \,\overline S $$
D
$$PQ\,\overline R + PQR\,\overline S + P\overline {Q\,} \overline R \,S + \overline {Q\,} \overline R \,\overline S $$
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