Bitwise Operators

What will be the output of the following C code?

#include
int main()
{
int c = 2 ^ 3;
printf("%d\n", c);
}
1. 1
2. 8
3. 9
4. 0
What will be the output of the following C code?

#include
int main()
{
unsigned int a = 10;
a = ~a;
printf("%d\n", a);
}
1. -9
2. -10
3. -11
4. 10
What will be the output of the following C code?

#include
int main()
{
if (7 & 8)
printf("Honesty");
if ((~7 & 0x000f) == 8)
printf("is the best policy\n");
}
1. Honesty is the best policy
2. Honesty
3. is the best policy
4. No output
What will be the output of the following C code?
#include
int main()
{
int a = 2;
if (a >> 1)
printf("%d\n", a);
}
1. 0
2. 1
3. 2
4. No Output
Comment on the output of the following C code.

#include
int main()
{
int i, n, a = 4;
scanf("%d", &n);
for (i = 0; i < n; i++)
a = a * 2;
}
1. Logical Shift left
2. No output
3. Arithmetic Shift right
4. Bitwise exclusive OR
What will be the output of the following C code?

#include
void main()
{
int x = 97;
int y = sizeof(x++);
printf("x is %d", x);
}
1. x is 97
2. x is 98
3. x is 99
4. Run time error
What will be the output of the following C code?

#include
void main()
{
int x = 4, y, z;
y = --x;
z = x--;
printf("%d%d%d", x, y, z);
}
1. 3 2 3
2. 2 2 3
3. 3 2 2
4. 2 3 3
What will be the output of the following C code?

#include
void main()
{
int x = 4;
int *p = &x;
int *k = p++;
int r = p - k;
printf("%d", r);
}
1. 4
2. 8
3. 1
4. Run time error
What will be the output of the following C code?
#include
void main()
{
int a = 5, b = -7, c = 0, d;
d = ++a && ++b || ++c;
printf("\n%d%d%d%d", a, b, c, d);
}
1. 6 -6 0 0
2. 6 -5 0 1
3. -6 -6 0 1
4. 6 -6 0 1
What will be the output of the following C code?

#include
void main()
{
int a = -5;
int k = (a++, ++a);
printf("%d\n", k);
}
1. -3
2. -5
3. 4
4. Undefined
What will be the output of the following C code?

#include
int main()
{
int x = 2;
x = x << 1;
printf("%d\n", x);
}
1. 4
2. 1
3. Depends on the compiler
4. Depends on the endianness of the machine
What will be the output of the following C code?
#include
int main()
{
int x = -2;
x = x >> 1;
printf("%d\n", x);
}
1. 1
2. -1
3. 0
4. Either -1 or 1
What will be the output of the following C code?

#include
int main()
{
if (~0 == 1)
printf("yes\n");
else
printf("no\n");
}
1. yes
2. no
3. compile time error
4. undefined
What will be the output of the following C code?

#include
int main()
{
int x = -2;
if (!0 == 1)
printf("yes\n");
else
printf("no\n");
}
1. yes
2. no
3. run time error
4. undefined
What will be the output of the following C code?

#include
int main()
{
int y = 0;
if (1 |(y = 1))
printf("y is %d\n", y);
else
printf("%d\n", y);

}
1. y is 1
2. 1
3. run time error
4. undefined

Bitwise Operators

Quiz