1
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 27 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
$$PQ\,\overline R + PQR\,\overline S + P\overline {Q\,} \overline R \,S + \overline {Q\,} \overline R \,\overline S $$
2
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the following circuit, X is given by GATE ECE 2007 Digital Circuits - Combinational Circuits Question 28 English
A
$$X = \,A\overline B \,\overline C + \overline A \,B\,\overline C + \overline A \,\overline B C + ABC$$
B
$$X = \,\overline A \,BC + A\overline B C + AB\overline C + \overline A \,\overline B \,\overline C $$
C
$$X = AB + BC + AC$$
D
$$X = \,\overline A \,\overline B \, + \overline B \,\overline C \, + \overline A \,\overline C $$
3
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
The minimum number of 2 to 1 multiplexers required to realize a 4 to 1 mutliplexer is
A
1
B
2
C
3
D
4
4
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
The circuit shown in figure converts GATE ECE 2003 Digital Circuits - Combinational Circuits Question 31 English
A
BCD to binary code
B
Binary to excess – 3 code
C
Excess – 3 to Gray code
D
Gray to Binary code.
GATE ECE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12