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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)

🛠 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.

🔥 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.

🤝 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.

📜 License

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

📬 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! 🚀