Computer service technicians install, service, and configure computer operating software and hardware systems and networks. This includes desktop computers, servers, and related equipment such as printers and network drives.

Computer : is an electronic device that operates (works) under the control of programs stored in its own memory unit. A computer is an electronic machine that processes raw data to give information as output.

Its main components are keyboard, mouse, CPU and monitor. To turn on a computer, you need to switch on the main switch, CPU and then the monitor in order. To turn it off, you are required to select the shutdown option from the homepage, then switch off the monitor and the main switch.