Fill-in-the-Blank A pointer that contains the address 0 is called a(n) __________ pointer.
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A pointer that contains the address 0 is called a(n) __________ pointer.
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- (Data processing) A bank’s customer records are to be stored in a file and read into a set of arrays so that a customer’s record can be accessed randomly by account number. Create the file by entering five customer records, with each record consisting of an integer account number (starting with account number 1000), a first name (maximum of 10 characters), a last name (maximum of 15 characters), and a double-precision number for the account balance. After the file is created, write a C++ program that requests a user-input account number and displays the corresponding name and account balance from the file.C++ Pointers must be used to solve the following problem. Write a function createPassword() with no return value to randomly select 8 capital letters from the alphabet. The function receives the address of the first characters of the password string as parameter. Hint: Declare a characters string that contains all the capital letters of the alphabet and use the index values of the characters in the string for random selection of characters, e.g.char alpha [27] = “ABCDEFGHIJKLMNOPQRSTUVWXYZ”;char *pAlpha = alpha; Display the password from the main() function. Write a function replaceVowels() with no return value to replace all the vowels (A, E, I, O, U) that have been selected with a symbol from the list ($ % @ # &). That is, A must be replaced by $, E replaced by %, I mustbe replaced by @, O replaced by #, and U must be replaced by &. The function receives the address of the first characters of the password string as parameter. Display the password agin from the main()…1: This program demonstrates the use of pointers. What is the output of this program? Assume we know that the initial address of x is 0012FF44. #include <iostream> using namespace std; int main() { int x=25; int *ptr; // pointer ptr=&x; cout<<x<<endl; cout<<*ptr<<endl; cout<<ptr<<endl; //Now we assign 100 to x *ptr=100; cout<<endl; cout<<"Now we assign 100 to x:"<<endl; cout<<x<<endl; cout<<*ptr<<endl; cout<<ptr<<endl; return 0; } Write down the output:
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- C++ Create a new file called pointerBasics.cpp. Write a C++ program in this new file. In this new file, write code that will do the following: Declare and assign values to variables Declare an integer variable called myInt and assign the value 15 to it. Declare a pointer variable called myPointer using the dereference operator (*) and assign it to the memory location of myInt using the address-of operator (&) Print to console Print the memory location of myInt (remember the address-of operator!) and the value of myPointer. Print the value of myInt and the value pointed to by myPointer (remember the dereference operator!) Change values and print to console Change the value of myInt to 10. Print the memory location of myInt (remember the address-of operator!) and the value of myPointer. Print the value of myInt and the value pointed to by myPointer (remember the dereference operator!)• R7.11A pointer variable can contain a pointer to a single variable, a pointer to an array, nullptr, or a random value. Write code that creates and sets four pointer variables a, b, c, and d to show each of these possibilities.With the code below,dynamic memory allocation is not utilized at the main function. Rewrite the main function to incorporate dynamic allocation. #include<iostream>using namespace std;class Student{private:string studid, name; float marks[2], average;public:void setInput(){cout<<"Please enter student id :";getline(cin,studid);cout<<"Please enter name :";getline(cin,name);cout<<"\n\n";}void setMarks(){for(int i=0;i<2;i++){cout<<"Please enter mark for quiz "<<(i+1)<<" :";cin>>marks[i];calculate_average();} }void calculate_average(){float total;for(int i=0;i<2;i++){total += marks[i];}average = total / 2;}friend void display_info(Student);};void display_info(Student s){cout<<"\n\n\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>"<<endl;cout<<" Result Score "<<endl;cout<<"----------------------------"<<endl;cout<<"ID Name Average…
- IN C PROGRAMMING LANGUAGE: Please write a pointer version of strncpy() named pstr_ncpy(char *dest, char *src, int n) which copies n characters from src and copies them into dest.Part 1 Write a C/C++ function that will receive a pointer to the address of the first element of the array. Read the ID numbers contained in idnumbers.txt into the array. Display a message which indicates that data is being read from the file. Return the number of elements saved in the array. Part 2 Write a function that will receive the pointer of the first element of an array, as well as the number of elements in the array. Display the contents of the array. Part 3 Write a function that will receive the pointer of the first element of an array, as well as the number of elements in the array. The function should display the birth date of each person. Assume valid years are from 1921-2020. Tip: The underscore character serves as the first locator character for each ID number, you can use this as a landmark to identify the indexes of each ID number. EXAMPLE OUTPUT List of ID…write C++ statements that perform the specified task. Assume that unsigned integers are stored in four bytes and that the starting address of the built-in array is at location 1002500 in memory. " Write two separate statements that assign the starting address of built-in array values to pointer variable vPtr ."