Hardware Components are the physical devices that make up an IT system. These include the central processing unit (CPU), input/output devices such as keyboards and monitors, and storage devices such as hard drives and solid-state drives. Software Components are the programs and applications that run on the hardware. These include operating systems such as Windows and macOS, productivity applications such as Microsoft Office, and programming languages such as Java and Python. Network Components are the devices that connect computers and other hardware components together. These include servers, routers, switches, firewalls, and other networking equipment. Each component plays a critical role in the overall functionality of an IT system.