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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 device that provides backup power to electronic equipment in case of a power outage, allowing time for safe shutdown.
Example: The UPS kept the server running during a brief blackout.
See also: Peripheral, Hardware, PSU
Software or browser extension that removes or hides online advertisements.
Example: She installed an ad blocker to prevent pop-ups while browsing news sites.