July 6, 2021 in C and CPP
1.6 A ‘C’ expression contains relational, assignment and arithmetic operators. There are no
parentheses used. They will be evaluated in which of the following order
A) Assignment Relational Arithmetic
B) Arithmetic Relational Assignment
C) Relational Arithmetic Assignment
D) Assignment Arithmetic RelationalJuly 6, 2021 in C and CPP
1.5 What will be the output of the following program?
main()
{
int a;
printf(“%d”,a);
}
A) 0
B) 1
C) Error
D) Unpredictable ValueJuly 6, 2021 in C and CPP
1.4 What will be the output of the following ‘C’ program?
main()
{
int a=1;
int b=5;
if(a=5||b>10)
printf(“I will certainly pass”);
else
printf(“I am not so sure about the result”);
}
A) I will certainly pass
B) I am not so sure about the result
C) Error
D) None of the aboveJuly 6, 2021 in C and CPP
1.3 What will be the output of the following ‘C’ program
main()
{
int a=5;
float b=5.0;
if(a==b)
printf(“a and b are equal”);
else
printf(“a and b are different”);
}
A) a and b are equal
B) a and b are different
C) Error
D) None of the aboveJuly 6, 2021 in C and CPP
1.2 Which of the following is false in ‘C’ Programming Language
A) Keywords can be used as variable names
B) Variable names can contain digits
C) Variable names do not contain blank spaces
D) Capital letters can be used in variable names.July 6, 2021 in C and CPP
1.1 ‘C’ Programming Language was developed and written by
A) Martin Richards
B) Dennis Ritchie
C) Ken Thompson
D) Herman HellorithJuly 6, 2021 in C and CPP
c) Point out the error in the following program. How you will modify the program to overcome from
the error?
#include<stdio.h>
struct emp
{
char name[20];
int age;
};
int main()
{
emp int xx;
int a;
printf("%d\n", &a);
return 0;
}July 6, 2021 in C and CPP
b) What will be the output of the program? Explain step by step.
#include<stdio.h>
int main()
{
int arr[5], i=-1, z;
while(i<5)
arr[i]=++i;
for(i=0; i<6; i++)
printf("%d, ", arr[i]);
return 0;
}July 6, 2021 in C and CPP
a) What will be the output of the program? Explain step by step.
#include<stdio.h>
void fun(int*, int*);
int main()
{
int i=5, j=2;
fun(&i, &j);
printf("%d, %d", i, j);
return 0;
}
void fun(int *i, int *j)
{
*i = *i**i;
*j = *j**j;
}July 6, 2021 in C and CPP
b) Write a program to find out whether a given number is Prime or not.
