For monitors it's better to use cotton tissue, for mouse you can use a paper towel. Never use organic solvents (ethanol based, acetone, gas and so on, it ruins permanently) to clean displays, access windows and so (any plastic).
This is a keyboard you can display on your monitor and you can use with your mouse or with your fingers on a touchscreen.
mouse,keyboard,monitor
MOUSE KEYBOARD MONITOR
monitor,keyboard,mouse
Keyboard, printer, mouse, speakers, monitor.
Ups, mouse, monitor, keyboard
printer, speaker, monitor,
why are mouse and keyboard and scanner an input device and printer and monitor an output device? Because while a mouse, keyboard and scanner send information to the computer with no information being received back from the computer an output device like printer and monitor get information from the computer without giving the computer any input. In other words mouse keyboard and scanner send the computer information printer and monitor get information from the computer.
mouse, monitor and keyboard
mouse keyboard monitor modem non of these
mouse keyboard monitor modem non of these
Generally, the two main input devices are a keyboard and mouse, while the two main output devices are a monitor and printer.