Computer Hardware and Networking
Computer Hardware and Networking
Computer hardware and networking is a field in Information Technology (IT) that focuses on computer components, system assembly, troubleshooting, network setup, and cybersecurity. It is essential for maintaining IT infrastructure in organizations, ensuring smooth communication between devices, and protecting data from cyber threats.
1. Computer Hardware:
Computer hardware refers to the physical components of a computer system. These include:
🔹 Input Devices – Keyboard, Mouse, Scanner, Webcam
🔹 Processing Unit – Central Processing Unit (CPU), Motherboard
🔹 Memory & Storage – RAM, Hard Drive (HDD/SSD), Cache Memory.
🔹 Output Devices – Monitor, Printer, Speakers.
🔹 Power Supply & Cooling System – SMPS, Cooling Fans.
🔹 Peripheral Devices – External Hard Drives, USB Devices.
2. Computer Networking
Computer networking is the process of connecting multiple computers and devices to share data, resources, and internet access.
Types of Networks:
✅ LAN (Local Area Network) – Small networks (offices, homes, schools).
✅ WAN (Wide Area Network) – Large-scale networks (Internet, corporate networks).
✅ MAN (Metropolitan Area Network) – Covers a city or large campus.
✅ WLAN (Wireless LAN) – Wi-Fi-based networks.
✅ VPN (Virtual Private Network) – Secure remote access to private networks.