What is the result of the expression ptr = NULL in C, where ptr is a pointer?
A. Initialize ptr to 0
B. Delete the pointer ptr
C. Set ptr to a random address
D. It's not a valid operation
Answer: Option A
Related Questions on Pointer
In C, what is a pointer primarily used for?
A. Decision making
B. Code organization
C. Variable declaration
D. Storing values
In C, how do you declare a pointer variable that can store the address of an integer?
A. int *ptr;
B. ptr int;
C. int ptr;
D. ptr *int;
What is the purpose of the '->' operator in C when used with pointers?
A. Arithmetic operation
B. Indirection operator
C. Member access operator
D. Bitwise operation
Join The Discussion