1
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The Boolean expression (X+Y)(X+$$\overline Y $$)+($$\overline {(X\overline Y ) + \overline X } $$ simplifies to
A
X
B
Y
C
XY
D
X+Y
2
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
In the sum of products function f (x,y,z) = $$\sum {} $$m (2,3,4,5), the prime implicants are
A
$$\overline X \,Y,X\overline Y $$
B
$$\overline X \,Y,X\overline Y $$$$\overline Z ,X\overline Y Z$$
C
$$\overline X Y\overline Z $$,$$\overline X YZ,X\overline Y $$
D
$$\overline X Y\overline Z $$ ,$$\overline X YZ,X\overline Y $$$$\overline Z ,X\overline Y Z$$
3
GATE ECE 2007
MCQ (Single Correct Answer)
+1
-0.3
The Boolean function Y=AB+CD is to be realized using only 2-input NAND gates. The minimum number of gates required is
A
2
B
3
C
4
D
5
4
GATE ECE 2006
MCQ (Single Correct Answer)
+1
-0.3
The number of product terms in the minimized sum-of-product expression obtained through the following k-map is ( where , "d" denotes don't care states) GATE ECE 2006 Digital Circuits - Boolean Algebra Question 25 English
A
2
B
3
C
4
D
5
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