An IT system, or Information Technology system, refers to a combination of hardware, software, and networks that work together to collect, store, process, and distribute information. This system can include computers, servers, databases, and applications that help organizations manage their data and operations efficiently. IT systems are essential for businesses and individuals alike, as they enable communication, data analysis, and decision-making. Common components of an IT system include operating systems, network infrastructure, and security measures to protect sensitive information from unauthorized access.