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 (C)</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 (C)</p> Signup and view all the answers

Flashcards

Mutable Data Structure Example

A data structure whose elements can be changed after it is created.

Stack Data Structure

A data structure where the last element added is the first one removed (LIFO).

Stack Naming

The data structure is called a stack because it resembles a real-world stack of items.

Stack Operation: Push

The operation that adds an element to the top of a stack.

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Data Structures in the Course

Number types, strings, tuples, lists, and dictionaries.

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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.