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Question Detail
What among following is true about stack
- stack cannot reuse its memory
- all elements are of different datatypes
- all operation done at one end
- none of above
Answer: Option C
1. What is the purpose of getc()
- read a character from STDIN
- read a character from a file
- read all file
- read file random
Answer: Option B
2. Size of void pointer is
- 1 byte
- 2 byte
- 4 byte
- 8 byte
Answer: Option B
3. What is dangling pointer in c
- if pointer is pointing to a memory location from where variable has been deleted
- if pointer is assigned to more than one variable
- if pointer is not defined properly
- none of above
Answer: Option A
4. Out of following program :
float x = 10.7;
int i;
i = (int) x;
print i;
- null
- error
- 10
- garbage value
Answer: Option C
5. 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
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