Question

discuss two popular into device 1)keybord 2) mouse

Answer 1

1.In computing, a computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as a mechanical lever or electronic switch.
2.A computer mouse is a handheld hardware input device that controls a cursor in a GUIand can move and select text, icons, files, and folders. For desktop computers, the mouse is placed on a flat surface such as a mouse pad or a desk and is placed in front of your computer.
Hope this help you!!:-))

Answer 2

keyboard is a input device