Question Detail

Difference between calloc() and malloc()

calloc() takes a single argument while malloc() needs two arguments
malloc() takes a single argument while calloc() needs two arguments
malloc() initializes the allocated memory to ZERO
calloc() initializes the allocated memory to NULL

Answer: Option B

Similar Questions :

1. Structures can be used

to hold different datatypes
have pointers to structures
to assign to one another
all of above

Answer: Option D

2. rand() function returns

float value
integer value
any type
none of above

Answer: Option B

3. Disadvantage of array in C is

We can easily access each element
It is necessary to declare too many variables
It can store only one similar type of data
None of above

Answer: Option C

4. Adding to a pointer that points to an array will

Cause an error
Increase the value of the element that the pointer is pointing to
Cause the pointer to point to the next element in the array
None of above

Answer: Option C

5. What is use of \r in c

used to insert a vertical tab
used to insert a tab
places cursor at the end of line
places cursor at the start of line

Answer: Option D

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