DAY 7 Pointer Structure & Union - 18th June 2024

What is a pointer in C programming?

• variable that stores the address of another variable

• A variable that stores multiple values

• A data type that can hold characters

• A function that returns a value

How do you declare a pointer to an integer variable num in C?

• int ptr = #

• int *ptr = #

• ptr int = #

• int ptr = num;

What is the output of the following C code snippet?

• 10

• &num

• Compilation error

• Garbage value

What is the value of ptr after the following lines of code?

• 5

• &num

• Address of ptr

• Garbage value

Which of the following operators is used to access the value pointed to by a pointer in C?

• &

• *

• %

• ->

What is the output of the following C code snippet?

• 1

• 2

• 3

• 4

What is a structure in C programming?

• A way to organize multiple variables of the same type

• A way to store only integers

• A user-defined data type to store multiple variables of different types

• A way to declare arrays

How do you declare a structure named Student with name (string) and age (integer) members in C?

• 
• 
• 
• 

What is the correct way to access the age member of a structure variable stu in C?

• stu.age

• age.stu

• struct.stu.age

• age.struct.stu

How do you declare a structure pointer in C to a structure Student?

• Student *ptr;

• struct *ptr = Student;

• struct Student *ptr;

• Student.ptr;