Module4QuizLabWth230

What is stored in a pointer variable?

• Value of a variable

• Address of a variable

• Data type of a variable

• Size of a variable

In the following code snippet, what does p+1 represent? int number = 5; int *p = &number; p = p + 1;

• Incrementing the value of number

• The next integer value in memory

• Moving the pointer to the next memory location

• Adding 1 to the address stored in p

Which operator is used to dereference a pointer?

• &

• *

• ->

• %

What will the following program output if run on a 32-bit architecture? int number = 10; int *p = &number; printf("%u\n", p); p = p + 1; printf("%u\n", p);

• Address increases by 1

• Address increases by 2

• Address increases by 4

• Address remains unchanged

What does the following code print? int arr[3] = {10, 20, 30}; int *p = arr; printf("%d\n", *(p + 2));

• 10

• 20

• 30

• Error

What does the following code initialize in p2? struct Point p2 = {.x = 20};

• All members are initialized to 0

• Only x is initialized, others are undefined

• All members are initialized to the same value

• Compilation error

Which member access operator is used to access a structure's member?

• ->

• .

• *

• &

Can we perform arithmetic operations directly on structure variables?

• Yes

• No

What will the following code output? struct Point { int x, y; }; struct Point p = {10, 20}; printf("%d %d", p.x, p.y);

• 10 20

• 20 10

• Garbage values

• Compilation error

Which keyword is used to create an alias for a structure?

• typedef

• alias

• define

• struct