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COP 3014 Final Exam Question and answers rated A+ 2024 $13.99   Add to cart
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COP 3014 Final Exam Question and answers rated A+ 2024

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COP 3014 Final Exam Question and answers rated A+ 2024 COP 3014 Final Exam What operator returns the memory address of the variable? - correct answer address operator (&) char = 1 byte int = 4 bytes doubles = 8 bytes int x = 25; cout << &x << end; //outputs 0x8f05 How ...

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  • September 6, 2024
  • 9
  • 2024/2025
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  • Questions & answers

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COP 3014 Final Exam
What operator returns the memory address of the variable? - correct answer
✔address operator (&)


char = 1 byte
int = 4 bytes
doubles = 8 bytes


int x = 25;
cout << &x << end; //outputs 0x8f05


How are array names used as pointers? - correct answer ✔array names are
pointers, to the first element in the array


What are local and global variables? - correct answer ✔Global variables are
defined outside of the main


local variables are defined in functions


What statement causes a function to end? - correct answer ✔return 0;


What does a pointer store? - correct answer ✔memory addresses


What is the difference in statements:
cout << ptr << endl;
cout << *ptr << endl; - correct answer ✔ptr prints address

, *ptr prints value (dereferenced)


How do ++ and -- affect pointers? - correct answer ✔add or subtract bytes


char = 1 byte
int = 4 bytes
doubles = 8 bytes


What operations can be used on pointers? - correct answer ✔arithmetic
operations


How do you dynamically allocate memory? - correct answer ✔use the new
function


How do you declare pointers and allocate memory to them? - correct answer
✔int *iptr = nullptr;
iptr = new int; //requests computer to allocate enough memory for a new int
variable.


iptr contains the address of the newly allocated memory


use *iptr to assign values to dynamically allocated space


What is the null termination character for character strings? - correct answer
✔\0

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