1. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)
#include < stdio.h >
void main()
{
double ch;
printf("enter a value between 1 to 2:");
scanf("%lf", &ch);
switch (ch)
{
case 1:
printf("1");
break;
case 2:
printf("2");
break;
}
}
a) Compile time error
b) 1
c) 2
d) Varies
2. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)
#include < stdio.h >
void main()
{
char *ch;
printf("enter a value between 1 to 3:");
scanf("%s", ch);
switch (ch)
{
case "1":
printf("1");
break;
case "2":
printf("2");
break;
}
}
a) 1
b) Compile time error
c) 2
d) Run time error
3. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)
#include < stdio.h >
void main()
{
int ch;
printf("enter a value between 1 to 2:");
scanf("%d", &ch);
switch (ch)
{
case 1:
printf("1\n");
default:
printf("2\n");
}
}
a) 1
b) 2
c) 1 2
d) Run time error
4. What will be the output of the following C code? (Assuming that we have entered the value 2 in the standard input)
#include < stdio.h >
void main()
{
int ch;
printf("enter a value between 1 to 2:");
scanf("%d", &ch);
switch (ch)
{
case 1:
printf("1\n");
break;
printf("hi");
default:
printf("2\n");
}
}
a) 1
b) hi 2
c) Run time error
d) 2
5. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)
#include < stdio.h >
void main()
{
int ch;
printf("enter a value between 1 to 2:");
scanf("%d", &ch);
switch (ch, ch + 1)
{
case 1:
printf("1\n");
break;
case 2:
printf("2");
break;
}
}
a) 1
b) 2
c) 3
d) Run time error
6. What will be the output of the following C code?
#include < stdio.h >
int main()
{
int a = 1, b = 1;
switch (a)
{
case a*b:
printf("yes ");
case a-b:
printf("no\n");
break;
}
}
a) yes
b) no
c) Compile time error
d) yes no
7. What will be the output of the following C code?
#include < stdio.h >
int main()
{
int x = 97;
switch (x)
{
case 'a':
printf("yes ");
break;
case 97:
printf("no\n");
break;
}
}
a) yes
b) yes no
c) Duplicate case value error
d) Character case value error
8. What will be the output of the following C code?
#include < stdio.h >
int main()
{
float f = 1;
switch (f)
{
case 1.0:
printf("yes\n");
break;
default:
printf("default\n");
}
}
a) yes
b) yes default
c) Undefined behaviour
d) Compile time error
9. The C code ‘for(;;)’ represents an infinite loop. It can be terminated by ___________
a) break
b) exit(0)
c) abort()
d) terminate
10. Which for loop has range of similar indexes of ‘i’ used in for (i = 0;i < n; i++)?
a) for (i = n; i>0; i–)
b) for (i = n; i >= 0; i–)
c) for (i = n-1; i>0; i–)
d) for (i = n-1; i>-1; i–)