C Programming Questions and Answers – Precedence and Order of Evaluation – 4

C Programming Questions and Answers – Precedence and Order of Evaluation – 4

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Here is a listing of C programming interview questions on “Precedence and Order of Evaluation” along with answers, explanations and/or solutions:

1. What is the output of this C code?

#include <stdio.h>
void main()
{
int b = 5 – 4 + 2 * 5;
printf(“%d”, b);
}
a) 25
b) -5
c) 11
d) None of the mentioned

2. What is the output of this C code?

#include <stdio.h>
void main()
{
int b = 5 & 4 & 6;
printf(“%d”, b);
}
a) 5
b) 6
c) 3
d) 4

3. What is the output of this C code?

#include <stdio.h>
void main()
{
int b = 5 & 4 | 6;
printf(“%d”, b);
}
a) 6
b) 4
c) 1
d) 0

4. What is the output of this C code?

#include <stdio.h>
void main()
{
int b = 5 + 7 * 4 – 9 * (3, 2);
printf(“%d”, b);
}
a) 6
b) 15
c) 13
d) 21

5. What is the output of this C code?

#include <stdio.h>
void main()
{
int h = 8;
int b = (h++, h++);
printf(“%d%d\n”, b, h);
}
a) 10 10
b) 10 9
c) 9 10
d) 8 10

6. What is the output of this C code?

#include <stdio.h>
void main()
{
int h = 8;
int b = h++ + h++ + h++;
printf(“%d\n”, h);
}
a) 9
b) 10
c) 12
d) 11

7. What is the output of this C code?

#include <stdio.h>
void main()
{
int h = 8;
int b = 4 * 6 + 3 * 4 < 3 ? 4 : 3;
printf(“%d\n”, b);
}
a) 3
b) 33
c) 34
d) Run time error

8. What is the output of this C code?

#include <stdio.h>
void main()
{
int a = 2 + 3 – 4 + 8 – 5 % 4;
printf(“%d\n”, a);
}
a) 0
b) 8
c) 11
d) 9

9. What is the output of this C code?

#include <stdio.h>
void main()
{
char a = ‘0’;
char b = ‘m’;
int c = a && b || ‘1’;
printf(“%d\n”, c);
}
a) 0
b) a
c) 1
d) m

10. What is the output of this C code?

#include <stdio.h>
void main()
{
char a = ‘A’;
char b = ‘B’;
int c = a + b % 3 – 3 * 2;
printf(“%d\n”, c);
}
a) 65
b) 58
c) 64
d) 59

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