Information technology (IT) refers to the use and application of computer systems, software, and networks to manage, process, store, and exchange information. IT enables the automation of business and other processes, as well as the communication and sharing of information. IT encompasses a wide range of technologies, including but not limited to, computers, servers, storage devices, networking equipment, software, and databases. It is a rapidly evolving field that plays a critical role in modern society, with applications in virtually every industry, including healthcare, finance, transportation, and manufacturing. IT professionals design, develop, and maintain the hardware and software systems that make it all possible.