Which 2 components input data in a computer & select options from the screen, respectively

The two components which is used to provide input to the computer is Keyboard and mouse. These two are most used input devices. Keyboard provides all the alphabet and numbering inputs and apart from these kinds of data, it also has certain function key, keys to edit text. Mouse has 3 main functions.

Every operation is done through the click of the mouse. Either we may double click to open up a file, right click and use scroll to scroll the pages. There are other inputs like joy stick which is used for game and used majorly in play stations.