🌐 1. Networking Networking refers to the connection of computers and other devices to share data and resources like the internet, printers, files, and applications. Key Concepts: LAN (Local Area Network) – small area (e.g., home or office) WAN (Wide Area Network) – large area (e.g., the internet) IP Address – unique number given to each device in a network Router/Switch – devices that manage connections between computers Protocols – rules for communication (e.g., TCP/IP, HTTP) 📌 Example: When you send an email or browse a website, you’re using networking. 🖥️ 2. Operating System Administration This is the job of managing and maintaining the operating system (like Windows, Linux, or macOS) of a computer or server. Responsibilities: Installing and updating the OS Managing users and permissions Setting up security (firewalls, antivirus) Monitoring system performance Backing up and restoring data 📌 Example: A system administrator m...