Which of the following is a non-linear data structure?

Which of the following is used to measure an algorithm’s efficiency?

Why do we need data structures?

Which of the following is not a linear data structure?

What is the correct syntax to declare a pointer to an integer in C?

Which operator is used to get the address of a variable?

Which operator is used to access the value at the pointer’s address?

What will be the output of the following code?

int a = 5;

int *p = &a;

printf("%d", *p);

What will the following code print?

int arr[5] = {10, 20, 30, 40, 50};

printf("%d", arr[2]);

Which of the following best defines a structure in C?

What is the output of this code?

struct student {

int id;

char name[10];

};

struct student s1 = {101, "Ram"};

printf("%d", s1.id);

Which of the following is true about unions?

What is the main difference between a structure and a union?

What will this code output?

union data

{

int i;

char ch;

};

union data d;

d.i = 65;

printf("%c", d.ch);

What is the main advantage of storing a sparse matrix efficiently?