Please help with 4 simple problems

char name[5]: cin >> name; What will happen if the user enters "Jennifer" at the keyboard? O The system will store "Jenn" in the name array, followed by the 'o' character, and "ifer" will be stored off the end of the array "Jennifer" will be stored in the name array with no problems "Jenn" will be stored in the name array and the rest of the characters will be lost Jenni" will be stored in the name array, and "fer" will be stored off the end of the array "Jenni" will be stored in the name array and the rest of the characters will be lost An algorithm which is designed to make an exact duplicate of an array containing up to 1000 elements is considered to be order O 0(2n) O 0(1) O O(n) O(n) O(1000) O(1000) Assume that we have nums, which has been defined as an array of 20 integers, and the system decided to begin this array at memory address 1020. The following code is then executed: int "pos = nums +7 What memory address would be stored in the pos variable? It is not possible to pass an array by value to a function in C/C++. O True O False