16. NULL can be assigned to a void pointer. True O False
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- Assume aa is a pointer of int type, and has been allocated enough memory : int* aa = new int; Which line assign value 10 by using dereference and then release the memory correctly? Question 19 options: A. aa = 10; delete aa*; B. *aa = 10; delete aa; C. *aa = 10 delete []aa; D. aa = 10; delete [] aa;(a) Determine whether the following variable declaration is valid int INT; A Valid B Invalid (b) Determine whether the following variable declaration is valid. int *ptr; A Valid B Invalid (c) Which of the following statement about pointer is TRUE? A. A pointer variable is a variable used tostore an address B.A pointer holds the data, rather thanwhere to find the data C.The unary operator & is used to find anobject's value D.The unary operator * is used to find an object's addressIn order to declare a pointer, the ""&"" (ampersand) symbol is used." True False
- Create a function that can accept a pointers and array with values of 1000, 2, 3, 17, 50. Your program will display the array values and its average1. What is the purpose of the new operator? 2. True/False: if you use the new operator, you later should use delete. Why or why not? 3. True/False: When you add 1 to a pointer using the ++ operator, you are actually adding the size of the data type referenced by the pointer 4. You are reading a program which includes the following lines: int size = 5;int *cards = new int[size]; Which of the below statements is true: a) int *cards is a function to print cards b) If there is no delete statement anywhere else in this program, this program has a memory leak. c) The program won’t compile if there is no delete statement elsewhere in this program. d) None of the aboveThe following is the difference between void and NULL pointers: Use relevant examples to back up your statement.
- If integer pointer aPtr is to point at a data item whose value may not change it must be declared as ... A. const int * const aPtr; B. int *aPtr; C. int *const aPtr; D. const int *aPtr;USING FILE POINTERS IN C PLEASE . Write a program that prints a table of all the Roman numeral equivalents of the decimal numbers in the range 1 to 50. Knowing that the roman numbers (from 1 to 10) are as follows: I, II, III, IV, V, VI, VII, VIII, IX, X. Note that 50 is represented by L. COMMENT ALL OF YOUR STEPSThe following code C++ uses pointers and produces two lines of output. What is the output? int v1 = 10; int v2 = 25; int* p1 = &v1; int* p2 = &v2; *p1 += *p2; p2 = p1; *p2 = *p1 + *p2; cout << v1 << " " << v2 << endl; cout << *p1 << " " << *p2 << endl; . . . line 1 line 2 Submit