Computer Science & IT Learning Hub

Learning Paths

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Introduction to Programming

Start with Python fundamentals — variables, loops, functions, and basic data structures. Suitable for complete beginners.

Web Development

HTML, CSS, and JavaScript from the ground up. Build real projects and understand how the modern web works.

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Networking Fundamentals

TCP/IP, DNS, HTTP, subnetting, and network security basics. Essential knowledge for any IT professional.

Cybersecurity Essentials

Learn how systems are attacked and defended. Covers authentication, encryption, firewalls, and best practices.

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Data & Databases

SQL, relational design, indexing, and an introduction to NoSQL. Practical exercises with real datasets.

Operating Systems

How operating systems manage processes, memory, and file systems. Covers Linux, Windows, and command-line skills.

Browse by Topic

• Python
• JavaScript
• PHP
• C++
• Linux
• Git
• Docker
• TCP/IP
• SQL
• Algorithms
• Data Structures
• Machine Learning
• Cloud Computing
• IT Support

Featured Articles

Networking

How the Internet Works: A Beginner's Guide

Every time you load a web page, a series of carefully coordinated steps takes place in milliseconds. Your browser sends a DNS query to resolve a domain name into an IP address, then opens a TCP connection to the server, exchanges HTTP headers, and receives HTML, CSS, and JavaScript in return. Understanding this flow — from physical cables and routers to application-layer protocols — is the foundation of any computer networking education.

Programming

Getting Started with Python: Variables and Data Types

Python is one of the most beginner-friendly programming languages available today, and also one of the most powerful. In this introduction we cover the five core data types — integers, floats, strings, lists, and dictionaries — and show how to declare variables, write conditional statements, and build your first loop. By the end you will have a working script that reads user input and produces formatted output.

Cybersecurity

Understanding Firewalls and Network Security

A firewall is a network security device — hardware, software, or both — that monitors incoming and outgoing traffic and decides whether to allow or block it based on a defined set of rules. Modern firewalls operate at multiple layers: packet-filter firewalls inspect individual packets, stateful firewalls track connection state, and next-generation firewalls add application awareness and deep packet inspection.