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C Interview Operators Questions
In most of the MNC interview questions such as in ZOHO interview question, IVTL Infoview interview questions, Amazon interview questions, GOOGLE interview questions, Infosys interview questions and even in Voonik interview questions, We come across several Tricky C Questions about which 2:5 of the questions are from Operators in c. Solving that kind of tricky C questions is not an easy task for all C programmers. We need more practices to solve it with ease. So we provide 25+ interesting C questions in Operators to make your MNC interview very easy.
Interview Operators Questions
16. What will be the output of the C program?
#include<stdio.h>
int main()
{
int a = 4, b = 2;
printf("a^b = %d", a^b);
return 0;
}
x
Option: D
Explanation
^ represent XOR otherwise called as exclusive OR.
Bitwise EX OR operator returns 1 if and only if either of the operands is 1
Bitwise EX OR operator returns 0 for similar inputs
Here a = 4 which is a = 0100
and b = 2 which is b = 0010
0100 * 0010 = 0110
Thus output is 0110 i.e) 6
17. What will be the output of the C program?
#include<stdio.h>
int main()
{
int a = 4, b = 2;
printf("a|b = %d\n", a|b);
return 0;
}
x
Option: A
Explanation
Bitwise OR operator returns 1 either or both of the operands are 1 .
Here a = 4 which is a = 0100
and b = 2 which is b = 0010
0100 * 0010 = 0110
Thus output is 0110 i.e) 6
18. What will be the output of the C program?
#include<stdio.h>
int main()
{
int a = 7, b = 4, c = 2;
printf("a|b&c = %d\n", a|b&c);
return 0;
}
x
Option: D
Explanation
As operator enjoys priority, & has higher priority over |.
a = 7 which is 0111
b = 4 which is 0100
c = 2 which is 0010
Now a|b&c which is 0111|0100& 0010.
0111|0000.
0111 which is 7 and then outputted.
19. What will be the output of the C program?
#include<stdio.h>
int main()
{
int s[3] = {'\0', '\0'};
int x[3] = {'\0', '\0'};
int c = s[1] + x[0];
printf("%d",c);
return 0;
}
x
Option: B
Explanation
all value are set to \0 NULL.
20. What will be the output of the C program?
#include<stdio.h>
int main()
{
int a = NULL - true;
printf("%d",a);
return 0;
}
x
Option: C
Explanation
Simply, NULL = 0; and true = 1;
0 - 1 = -1
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