1. What is a Server?
A server is a computer or system that provides services, data, or resources to other computers (clients) over a network.
Types of Servers
- Web Server – Hosts websites (e.g., Apache, Nginx).
- Database Server – Manages databases (e.g., MySQL, SQL Server).
- File Server – Stores and shares files.
- Mail Server – Handles email communication (e.g., Microsoft Exchange).
- Game Server – Hosts multiplayer gaming environments.
Example:
When you visit a website, your browser sends a request to a web server, which responds by sending the webpage data back to you.
2. What is Hardware?
Hardware refers to the physical components of a computer or electronic system.
Types of Hardware
- Input Devices – Keyboard, Mouse, Scanner.
- Processing Unit – CPU (Central Processing Unit), GPU (Graphics Processing Unit).
- Storage Devices – HDD, SSD, USB drives.
- Output Devices – Monitor, Printer, Speaker.
- Networking Devices – Router, Modem, Switch.
Example:
A laptop consists of hardware like a processor (CPU), RAM, hard drive, display screen, and keyboard.
3. What is Networking?
Networking is the practice of connecting computers and devices to share data and resources.
Types of Networks
- LAN (Local Area Network) – Small network (e.g., home, office).
- WAN (Wide Area Network) – Large-scale network (e.g., the internet).
- MAN (Metropolitan Area Network) – Covers a city or large campus.
- PAN (Personal Area Network) – Small range (e.g., Bluetooth, Wi-Fi Hotspot).
Networking Devices
- Router – Connects different networks (e.g., home Wi-Fi router).
- Switch – Connects multiple devices within a network.
- Modem – Connects to the internet.
- Access Point – Provides wireless connectivity.
Example:
When you use Wi-Fi to connect your phone to the internet, you are using networking with a router and modem to communicate with servers hosting websites.
🔥 Key Takeaways
- Server → A computer that provides services/data to clients.
- Hardware → The physical components of a system (computers, routers, etc.).
- Networking → The communication between devices over the internet or local connections.
