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C Programming

C Programming
The type of the controlling expression of a switch statement cannot be of the type ........

char
long
int
float
short

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C Programming
Determine output:#include void main(){ char *p = NULL; char *q = 0; if(p) printf(" p "); else printf("nullp"); if(q) printf("q"); else printf(" nullq");}

p q
x nullq where x can be p or nullp depending on the value of NULL
nullp nullq
Depends on the compiler

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C Programming
Consider the following code:void main(){ int a[5] = {6,8,3,9,0}, i=0; if(i != 0) { break; printf("%d", a[i]); } else printf("%d", a[i++]);}What is the output of the above program?

8
Syntax error
No output
Runtime error
6

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C Programming
If integer needs two bytes of storage, then maximum value of an unsigned integer is

215
215 – 1
216
216 – 1
None of these

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C Programming
#includevoid main(){ int *ptr, a=10; ptr = &a; *ptr += 1; printf("%d, %d", *ptr, a);}

10, 11
11, 11
10, 10
11, 10

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C Programming
What will be the output of the following program? #include\ int main(){  extern int i;  i = 20;  printf("%ld ", sizeof(i));  return 0; }

Depends on the Compiler
Linker Error : Undefined symbol 'i'
4
2

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