What is the result of the expression *ptr = 42 in C, where ptr is a pointer to an int?
A. Set the value pointed to by ptr to 42
B. Set the address pointed to by ptr to 42
C. Set the size of ptr to 42
D. Set ptr to a null value
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
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