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Stacks and Queues Quiz

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Questions and Answers

Which of the following is an example of a mutable data structure?

Strings

Number types

Tuples

Lists (correct)

What is the main characteristic of a stack data structure?

It is a first in, first out (FIFO) stack

It has two operations defined: push and pop

It is a push-down stack (correct)

It supports direct support in Python 3

Why is a stack called a stack?

Because it is a mutable data structure

Because it is a physical stack of items (correct)

Because it is a push-down stack

Because it is a last in, first out (LIFO) stack

Which of the following operations appends an element at the top of a stack?

<p>push</p> Signup and view all the answers

What types of data structures have we exclusively worked with thus far in the course?

<p>Number types, strings, tuples, lists, and dictionaries</p> Signup and view all the answers

Study Notes

Data Structures

A mutable data structure is an array or list.

Stack Data Structure

The main characteristic of a stack data structure is that it follows the Last In, First Out (LIFO) principle.
A stack is called a stack because it resembles a physical stack, where elements are added and removed from the top.

Stack Operations

The push operation appends an element at the top of a stack.

Course Overview

We have exclusively worked with mutable data structures, such as arrays and lists, thus far in the course.

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Description

Test your knowledge on stacks and queues in this quiz for CISC 121 Introduction to Computing Science I. Explore the basics of these commonly used data structures and learn how to implement them in Python 3.