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Glossary of terms and definitions for IT (Information Technology), the Internet and cyber security.
This glossary provides more than 480 clear and concise definitions of commonly used terms in the fields of information technology, the internet, and cyber security. It is designed to support users of all levels in understanding key concepts, technical jargon, and acronyms frequently encountered across digital platforms and security-related discussions. Whether you are a business owner, student, professional, or simply interested in the digital landscape, this resource aims to enhance your knowledge and confidence in navigating the ever-evolving world of technology.
A Public IP Address is an IP address that is assigned to a device for direct access over the internet, allowing it to communicate with other internet-connected devices.
Example: An Australian web server uses a public IP address so that users around the world can access the hosted website.
See also: IP Address
Used by routers to allow multiple devices on a local network to share a single public IP address.
Example: The home router uses NAT so that all connected devices can access the internet using one external IP address.
See also: Public IP Address