C Programming Questions and Answers – Conditional Expressions – 2

C Programming Questions and Answers – Conditional Expressions – 2

C programming Interview Questions & Answers helps anyone preparing for  interview questions and answers .Here is a listing of C interview questions on “Conditional Expressions” along with answers, explanations and/or solutions:

1. The output of the code below is

#include <stdio.h>
void main()
{
int k = 8;
int m = 7;
k < m ? k++ : m = k;
printf(“%d”, k);
}
a) 7
b) 8
c) Compile time error
d) Run time error

2. The output of the code below is

#include <stdio.h>
void main()
{
int k = 8;
int m = 7;
k < m ? k = k + 1 : m = m + 1;
printf(“%d”, k);
}
a) Compile time error
b) 9
c) 8
d) Run time error

3. For initialization a = 2, c = 1 the value of a and c after this code will be
c = (c) ? a = 0 : 2;
a) a = 0, c = 0;
b) a = 2, c = 2;
c) a = 2, c = 2;
d) a = 1, c = 2;

4. What will be the data type of the expression (a < 50) ? var1 : var2; provided a = int, var1 = double, var2 = float
a) int
b) float
c) double
d) Cannot be determined

5. Which expression has to be present in the following? exp1 ? exp2 : exp3;
a) exp1
b) exp2
c) exp3
d) All of the mentioned

6. Value of c after the following expression (initializations
a = 1, b = 2, c = 1): c += (-c) ? a : b;
a) Syntax Error
b) c = 1
c) c = 2
d) c = 3

7. Comment on the following expression? c = (n) ? a : b; can be rewritten as
a) if (!n)c = b;else c = a;
b) if (n <= 0)c = b; else c = a;
c) if (n > 0)c = a; else c = b;
d) All of the mentioned

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