A pointer stores the address of a variable and the value of a variable can be accessed using dereferencing of the pointer. Question 4. 10 Bytes. A. the name of pointer variable. How to initialize pointer variable. If the pointer was set in a fixed block, the variable to which it points may no longer be fixed. B. Your son can act as a pointer variable of sorts. pointer-variable-name is a valid C identifier i.e. True. True. With pointer variables you can access but not modify data in other variables. You might tell your son that you will be in room 0x100 on your trip. Passing pointers between methods can cause undefined behavior. Join The Discussion. What will be the size of integer pointer ? The answer is simple: a pointer variable is of some pointer type. In your example int *ptr,*ptr1; both ptr and ptr1 have type "pointer to int", which can only point to an int, not a pointer. Pointer Variable of any type contains integer address because address of variable is always integer. Pointers Pointer is a variable in C++ that holds the address of another variable.Like any variable or constant, you must declare a pointer before you can work with it. A pointer is used to point to a memory location of a variable. As such, it can easily be flung off to a function in C programming. A C# pointer is nothing but a variable that holds the memory address of another type. A. passed to a function as argument. A pointer variable can be? Even more thrilling, a pointer can wander back from a function as a return value. They have data type just like variables, for example an integer type pointer can hold the address of an integer variable and an character type pointer can hold the address of char variable. D. all. Afreen Khan. A pointer is also called reference type variable in generic way.int *pa = &a; can be stated like pa is a pointer to an integer.pa points to a.Just like a has a content (55), pa has a content (that's the address of a).As pa itself is a variable, it has an address too.. B. change within a function. Oftentimes, these tricks are the only ways to … Consider a method that returns a pointer to a local variable through an in, out, or ref parameter or as the function result. But in C# pointer can only be declared to hold the memory address of value types and arrays. There are two ways to initialize a pointer variable. The asterisk * used to declare a pointer … A pointer variable is a variable that contains an address, usually the address of another variable. 3 years ago . C. return by a function. C# supports pointers in a limited extent. In C++11, the nullptr keyword was introduced to represent the address 0. A pointer variable can be . C. 4 Bytes. The body of your question asks whether "a pointer is a data type or not". By any reasonable definition of the phrase "data type", pointer types are data types. For example, given: int *ptr; ptr is a pointer object, and its type is int*, which is a pointer type. A pointer is a type of variable. D. If you declare int *ptr, **ptr1;, then ptr1 has type "pointer to int *" and thus can point to ptr. Home / Green Board / Miscellaneous / Question. We need to store address of integer variable to integer pointer. An array name is a pointer constant because the address stored in it cannot be changed at runtime. You can use reference operator & to get memory location of a variable or you can … False. Answer: Option B . A pointer is generally initialized as: datatype *variable name; This above declaration is a single pointer but there can be more … Consider the 32 bit compiler. Yes, but it needs to have the right type. When you make your reservation, you may be assigned room 0x100. The content of a can be obtained using pa.This is called dereferencing a pointer. Example to declare pointer variable int * ptr; In above example I declared an integer pointer. . The following table lists the operators and … 2 Bytes. Dereferencing a pointer can … The general form of a pointer variable declaration is − type *var-name; Here, type is the pointer's base type; it must be a valid C data type and var-name is the name of the pointer variable. Like any variable or constant, you must declare a pointer before using it to store any variable address. This is somewhat analogous to a hotel. Can … a pointer variable is always integer of value types and arrays datatype * variable ;... It can not be changed at runtime be accessed using dereferencing of the pointer was in. Above declaration is a single pointer but there can be more because the address value! Another variable array name is a variable can be accessed using dereferencing of the phrase `` data or... 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