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Data Structures Lecture 2: Arrays and Linked Data Structures

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Data Structures Lecture 2: Arrays and Linked Data Structures

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Questions and Answers

What is the purpose of decision-making algorithms like the minimax algorithm in game playing?

To quickly locate records based on specific attributes in databases

To implement associative arrays for programming languages

To explore different possible moves and outcomes using tree structures (correct)

To store locations and transportation routes for logistics optimization

Which of the following is a real-world application of hash-based data structures?

Representing hierarchical relationships between employees or departments

Quick retrieval of keys mapped to values in symbol tables

Logistics optimization for finding efficient delivery routes (correct)

Storing dictionary of words for spell checkers

What falls under primitive data structures based on the given text?

Logistics optimization and recommendation systems

Deriving data from primitive data

Decision-making algorithms and fraud detection

Integer, real, character, and Boolean (correct)

In what way are non-primitive data structures derived based on the given text?

They are derived from primitive data types Signup and view all the answers

What is the primary function of a hash table in programming languages?

To allow variables to be accessed by their names in constant time Signup and view all the answers

Which real-world scenario is an example of using arrays as a data structure?

Storing historical stock prices for financial analysis Signup and view all the answers

In what context are linked lists commonly utilized as a data structure?

Managing memory blocks in memory management systems Signup and view all the answers

What is the primary purpose of tree-based data structures in file systems?

Organizing directories and files for efficient navigation and storage Signup and view all the answers

Which data structure is instrumental in storing and manipulating large datasets for machine learning algorithms?

Arrays Signup and view all the answers

How are train stations connected in a train network, making use of a specific data structure?

Using graphs where each station is a node connected to the next station Signup and view all the answers

Study Notes

Decision-Making Algorithms

The minimax algorithm is used in game playing to facilitate decision-making.

Hash-Based Data Structures

A real-world application of hash-based data structures is in implementing SET operations.

Primitive Data Structures

Primitive data structures include integers, floats, characters, and booleans.

Non-Primitive Data Structures

Non-primitive data structures are derived by combining primitive data structures.

Hash Tables

The primary function of a hash table is to store and retrieve data efficiently using key-value pairs.

Arrays

An example of using arrays as a data structure is in storing and manipulating a collection of exam scores.

Linked Lists

Linked lists are commonly utilized in dynamic memory allocation, where nodes are inserted or deleted frequently.

Tree-Based Data Structures

The primary purpose of tree-based data structures in file systems is to efficiently store and retrieve files.

Machine Learning Algorithms

Arrays are instrumental in storing and manipulating large datasets for machine learning algorithms.

Train Networks

Train stations are connected in a train network using graphs, which is a specific data structure.

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Description

Explore examples of data structures and their real-world uses, including array-based data structures. Learn how arrays are used in finance, data science, and computer graphics, as well as discover real-world examples of linked data structures.