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Fundamentals of Stacks

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Questions and Answers

Which real-life example best represents a stack?

A bucket of mixed fruits

A library catalog

A grocery store

A pile of books (correct)

What is the defining characteristic of a stack data structure?

It automatically sorts the elements

It allows random access to elements

Insertion and deletion are done from a single end (correct)

It can store any type of data

In a stack, what happens when an element is removed?

The most recently added element is removed

The least recently added element is removed (correct)

All elements are removed at once

Elements are rearranged randomly

Why are balls stored in a stack in the demonstrated real-life example?

To illustrate the concept of a stack data structure Signup and view all the answers

What is the main reason for calling it a 'stack' data structure?

Because of the way elements are inserted and removed Signup and view all the answers

Which island is the world's most populous island?

Java Signup and view all the answers

Where is Indonesia's capital city located?

Java Signup and view all the answers

How many of Indonesia's eight UNESCO world heritage sites are located in Java?

Four Signup and view all the answers

What geological process led to the formation of Java?

Volcanic eruptions due to geologic subduction Signup and view all the answers

Which empires had a significant presence on Java?

Hindu-Buddhist and Islamic empires Signup and view all the answers

Study Notes

Stacks in Real Life

A real-life example of a stack is a pile of balls, where balls are added and removed from the top.

Defining Characteristics of a Stack

A stack data structure is characterized by the Last-In-First-Out (LIFO) principle.

Stack Operations

When an element is removed from a stack, it is always the topmost element.

Stacks in Real Life (continued)

Balls are stored in a stack in the demonstrated real-life example because it allows for easy addition and removal of balls from the top.

Origin of the Term 'Stack'

The main reason for calling it a 'stack' data structure is because it resembles a physical stack of objects, where items are added and removed from the top.

Geography of Indonesia

Java is the world's most populous island.

Capital City of Indonesia

Indonesia's capital city is located on the island of Java.

UNESCO World Heritage Sites in Java

Four of Indonesia's eight UNESCO world heritage sites are located in Java.

Geological History of Java

Java was formed as a result of volcanic activity.

Historical Empires on Java

The Majapahit and Mataram empires had a significant presence on Java.

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Description

Test your knowledge of stacks with this quiz! Learn about the fundamentals of data structures and their real-life applications.