1. A pointer variable can store __________ .

• integer values
• double values
• addresses of other variables
• string values

2. In order to determine the address of a variable in C++, we can use the __________ operator.

• @
• ++
• *
• &

3. Pointer variables must always be __________ before they are used.

• dereferenced
• static
• initialized
• checked

4. In order to follow a pointer and access the data it is pointing to, we must __________ the pointer using the __________ operator.

• use, @
• access, &
• dereference, *
• reference, *

5. Pointer can be used to dynamically allocate storage from the __________ at __________.

• stack, compile-time
• stack, run-time
• heap or free store, run-time
• heap or free store, compile-time

6. When using raw pointers and dynamica storage allocation, we must always de-allocate the used storage by using __________ to prevent __________.

• delete, memory leaks
• free, buffer overruns
• delete, stack overflows
• new, memory leaks

7. __________ and pointers can be used interchangeably in many contexts.

• Function calls
• Classes
• Vectors
• Array names

8. What types of variables can ptr store given the following declaraion below? int **ptr;

• integers
• addresses of integers
• addresses of pointers to integers
• any type of integer

9. What does the following code snippet display?

int *data = new int[5];

for (int i=0; i<5; i++)
    *(data + i) = i*2;

for (int i=0; i<4; i++)
    cout << data[i] << " ";
cout << endl;

delete [] data;

• 0 1 2 3 4
• 0 2 4 6 8
• 2 4 6 8 10
• garbage data

10. Given the following pointer decalrations, what can you say about ptr1 and ptr2?

int *ptr1;
int *ptr2 {nullptr};

• ptr1 and ptr2 are both contains the address 0
• ptr1 and ptr2 are both initialized
• ptr1 is uninitialized and ptr2 is initialized
• ptr1 and ptr2 are both uninitalized