CS-Fundamentals Repository

📌 About

Welcome to the CS-Fundamentals repository! This repository serves as a comprehensive collection of code implementations, study materials, and resources covering essential topics in Computer Science. Whether you are a student, a developer, or an enthusiast, this repository aims to provide a structured approach to learning the core concepts of CS.

📂 Topics Covered

This repository will be regularly updated with content on the following topics:

1️⃣ Data Structures

• Arrays, Linked Lists, Stacks, Queues
• Trees (Binary, BST, AVL, B-Trees)
• Graphs (DFS, BFS, Dijkstra's Algorithm, Floyd-Warshall, A*)
• Hashing, Tries, Heaps

2️⃣ Algorithms

• Sorting (Quick Sort, Merge Sort, Heap Sort, Counting Sort, Radix Sort)
• Searching (Binary Search, Interpolation Search, Jump Search)
• Dynamic Programming (Knapsack, LIS, LCS, Floyd-Warshall, Matrix Chain Multiplication)
• Greedy Algorithms (Huffman Coding, Kruskal's Algorithm, Prim's Algorithm)
• Divide and Conquer (Merge Sort, Quick Sort, Strassen’s Matrix Multiplication)
• Backtracking (N-Queens, Sudoku Solver, Subset Sum)

3️⃣ Operating Systems (OS)

• Process Management (Scheduling Algorithms: FCFS, SJF, RR, Priority Scheduling)
• Memory Management (Paging, Segmentation, Virtual Memory)
• File Systems (EXT, NTFS, FAT32)
• Synchronization (Mutex, Semaphore, Deadlock Handling)

4️⃣ Database Management Systems (DBMS)

• SQL Queries and Optimization
• Normalization (1NF, 2NF, 3NF, BCNF)
• Indexing, Transactions, ACID Properties
• NoSQL Databases and CAP Theorem

5️⃣ Compiler Design

• Lexical Analysis and Tokenization
• Parsing (LL(1), LR(1), Shift-Reduce Parsing)
• Syntax Trees and Abstract Syntax Trees (AST)
• Code Optimization and Code Generation

6️⃣ Cryptography and Security

• Encryption Algorithms (AES, DES, RSA, ECC)
• Hashing (MD5, SHA-256, SHA-3)
• Digital Signatures and Public Key Infrastructure (PKI)
• Secure Communication Protocols (TLS, SSL, HTTPS)

7️⃣ Computer Networks

• OSI & TCP/IP Models
• Routing Algorithms (Dijkstra, Bellman-Ford, OSPF, RIP)
• Protocols (HTTP, FTP, DNS, DHCP, SSH, ICMP)
• Network Security (Firewalls, IDS, VPNs, DDoS Mitigation)

8️⃣ Software Engineering

• SDLC Models (Waterfall, Agile, DevOps, SCRUM)
• Design Patterns (Singleton, Factory, Observer, MVC)
• Software Testing (Unit Testing, Integration Testing, Regression Testing)

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🛠 Getting Started

To explore and use this repository, follow these steps:

🔹 Clone the Repository

 git clone https://github.com/agneepradeep/CS-Fundamentals.git

🔹 Navigate through the Topics

Each topic is organized into separate directories containing explanations, code snippets, and problem-solving approaches.

🔹 Run Code Examples

Most of the implementations are in C++, Java, and Python. Follow the instructions in each directory to run specific examples.

🔹 Contribute to the Repository

If you have additional content, improvements, or optimizations, feel free to contribute! See the Contribution Guidelines.

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🔥 Why This Repository?

• 📘 Structured Learning: Covers fundamental topics in-depth.
• 📂 Well-Organized: Each concept is categorized for easy access.
• 📝 Hands-on Learning: Includes code implementations with explanations.
• 🎯 Interview & Exam Prep: Ideal for coding interviews and university exams.

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🤝 Contributing

Contributions are welcome! To contribute:

1. Fork the Repository
2. Create a Feature Branch
3. Make Your Changes
4. Commit & Push
5. Submit a Pull Request (PR)

Before submitting, ensure your code is well-documented, tested, and properly formatted.

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📜 License

This project is licensed under the MIT License – you're free to use, modify, and distribute it.

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📬 Contact & Feedback

For any questions, suggestions, or discussions, feel free to:

• Open an Issue in the repository
• Contact the repository owner directly

Happy Learning & Coding! 🚀