Abstract Data Types

What is the primary purpose of an Abstract Data Type (ADT) in computer science?

Which of the following is NOT an example of an Abstract Data Type?

In the context of a Stack ADT, which operation removes the most recently added element?

Which of the following operations is NOT typically associated with the Queue ADT?

Consider a List ADT. Which operation allows you to add an element at a specific position?

Which of the following best describes the difference between an Abstract Data Type and a Data Structure?

In an Indian railways reservation system, which ADT would best model the waiting list of passengers?

Which of the following is a key property of an ADT that ensures encapsulation?

If a Stack ADT is implemented using a singly linked list, which end of the list should be used for push and pop operations to ensure O(1) time complexity?

Given the ADT Queue with operations enqueue and dequeue, what is the time complexity of these operations when implemented using a circular array?