C MCQ Questions and Answers

char *str;

float str = 3e2;

Both String str; & float str = 3e2;

char *str = “Best C programming classes by Sanfoundry”;

char str[] = “Best C programming classes by Sanfoundry”;

char str[20] = “Best C programming classes by Sanfoundry”;

++*(ptr)

(ptr)*++

(ptr)++*

Value of elements in array

First element of the array

Address of the last element of array

remove(var-name);

delete(var-name);

dalloc(var-name);

unalloc()

Dropmem()

Dealloc()

‘.’

‘&’

‘*’

int *x, *y;

float *aptr;

int *x; float *y;

remove(var-name);

delete(var-name);

dalloc(var-name);

Value of elements in array

First element of the array

Address of the last element of array

6

8

IInvalid syntax because three binary operators can’t be together in an
expression.

cmp is a pointer to an void type.

cmp is a void type pointer variable.

cmp function returns nothing.

Structured Programming

ctured Programming

There will be no output as there is a syntax error in code

ptr++

*ptr

++ptr

A pointer to a, which returns an integer

A pointer to subroutine which returns an integer

None of the above

int *b[10], a[10];

int *b, a[10];

int b, (*a)[10];

sp.marks

student.course

s -> name

int *p = (int *) malloc(10 * sizeof(int));

int *p = (int *) calloc(10, sizeof(int));

none of the above

calloc() takes a single argument while malloc() needs two arguments

malloc() initializes the allocated memory to ZERO

calloc() initializes the allocated memory to NULL

int *p[10];

int **p;

int *p[ ];