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Abstract Data Types Quiz

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Questions and Answers

Which of the following best defines an abstract data type (ADT)?

A data structure that specifies the details of the implementation in a particular programming language.

A mathematical model of a data structure that specifies the type of data stored and the operations supported on the data. (correct)

A data structure that stores objects and allows for the addition or removal of elements.

A data structure that supports the Last-in First-out (LIFO) principle.

What does it mean for a stack to follow the Last-in First-out (LIFO) principle?

The elements in the stack are removed in random order.

The first element added to the stack is the first element removed.

The elements in the stack are removed in the order they were added.

The last element added to the stack is the first element removed. (correct)

What operation inserts an element at the top of a stack?

pop()

push(e) (correct)

remove()

add(e)

What operation removes the top element from a stack?

pop() Signup and view all the answers

Which of the following is an example of an abstract data type (ADT) discussed in the chapter?

Stacks Signup and view all the answers

Which of the following best describes an abstract data type (ADT)?

A mathematical model of a data structure that specifies the type of data stored and the operations supported on the data Signup and view all the answers

What is the principle followed by a stack?

Last-in First-out (LIFO) Signup and view all the answers

What operation is used to insert an element at the top of a stack?

push() Signup and view all the answers

What operation is used to remove the top element from a stack?

pop() Signup and view all the answers

Which of the following is an example of an abstract data type (ADT) discussed in the chapter?

Stack Signup and view all the answers

Study Notes

Abstract Data Types (ADT)

An abstract data type is a data type defined by its behavior (operations) rather than its implementation.
ADTs encapsulate data operations, allowing users to interact with the data without needing to understand the underlying complexity.
Common examples of ADTs include stacks, queues, lists, and trees.

Stack Characteristics

A stack is a collection of elements that follows the Last-in First-out (LIFO) principle.
In LIFO, the last element added to the stack is the first one to be removed, akin to a stack of plates.

Stack Operations

The operation to insert an element at the top of a stack is called Push.
The operation that removes the top element from a stack is termed Pop.

Examples of ADTs

Stacks are a specific example of an abstract data type discussed in various contexts, illustrating the concept of encapsulating functionality while managing data.
Other examples of ADTs may include queues and linked lists, which share similar principles of abstraction.

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Description

Test your knowledge on abstract data types with this quiz. Learn about the mathematical models that define data structures and the operations they support.