1
GATE ECE 2003
MCQ (Single Correct Answer)
+1
-0.3
The number of distinct Boolean expressions of 4 variables is
A
16
B
256
C
1024
D
65536
2
GATE ECE 1999
MCQ (Single Correct Answer)
+1
-0.3
The Logical expression $$Y = A + \overline A B$$ is equivalent to
A
y = AB
B
y = $$\overline A $$ B
C
y = $$\overline A $$ + B
D
y = A + B
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
Two 2' s complement numbers having sign bits x and y added and the sign bit of the result is z. Then, the occurrence of overflow is indicated by the Boolean function.
A
xyz
B
$$\overline x $$ $$\overline y $$ $$\overline z $$
C
$$\overline x $$ $$\overline y $$ z + x y $$\overline z $$
D
xy + yz + zx
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The K-map for a Boolean function is shown in figure. The number of essential prime implicants for this function is GATE ECE 1998 Digital Circuits - Boolean Algebra Question 30 English
A
4
B
5
C
6
D
8
GATE ECE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12