Keyboard (Computer)
Introduction
A computer keyboard is a peripheral input device modeled after the typewriter keyboard which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Replacing early punched cards and paper tape technology, interaction via teleprinter-style keyboards have been the main input method for computers since the 1970s, supplemented by the computer mouse since the 1980s.
Essentially a keyboard, based off the typewriters of the mechanical past, are a form of user interface peripheral that gets used in entering data or commands into a computer system. They are a crucial part of Command Line Interfaces