hardware component of computer sysytem

Hardware component is one of the essential elements of the computer system and it is includes to allows you to enter information, view work, process and transmit data and store information for later retrieval. These are typically installed into a computer case or attached to it's cable, and these are three devices namely input devices which is a devices for entering data such as keyboard, mouse, touch screen, scanner, camera and microphone. output devices which is a devices for viewing work such as monitor, printer and speaker and input/output devices for processing and transmitting data.
These devices are important when we are using a computer system for example mouse we can use this to point or to view which we should to be point or to click word and images, other one is keyboard which is it is one of the important devices when we are going to encode such an important document and files