Information technology (IT) refers to the use of computers, software, and other devices to manage and process data. The components of an information system are hardware, software, data, people, and processes. Hardware refers to the physical components of an information system such as computers, servers, and other devices. Software is a set of instructions that tells the hardware what to do. It can be divided into two types: system software and application software. Data is the raw material that is processed by the hardware and software components of an information system. People are the users who interact with the information system. Processes refer to the procedures and methods used to manage and process data.