Data Structures Quiz

Dynamic memory allocation in C is done using which function?

• malloc

• calloc

• free

• both a and b

In C, which operator is used to access the address of a variable?

What is the time complexity of accessing an element in an array?

• O(1)

• O(n)

• O(n^2)

• O(log n)

Which of the following is a hashing technique?

• Linear Probing

• Open Addressing

• Both a and b

• None

What data structure is often used for managing memory allocation?

• Stack

• Queue

• Array

• Linked List

What is the primary difference between a structure and a union in C?

• Structure has shared memory

• Union has shared memory

• Both are identical

• None of the above

The process of accessing elements in a specific order in a data structure is called?

• Sorting

• Traversing

• Searching

• Deleting

Which data structure allows multiple pointers to refer to the same node?

• Stack

• Circular Queue

• Linked List

• Array

What type of queue has a front and rear pointer that wrap around?

• Circular Queue

• Double-ended Queue

• Simple Queue

• Priority Queue

What is the time complexity of inserting an element in a linked list at the beginning?

• O(1)

• O(n)

• O(n^2)

• O(log n)