Is a mouse an input or output device?
A mouse in an input device.
Is a 3D printer an input or output device?
A 3D printer in an output device
Is a monitor an input or output device?
A monitor is an output device,
Is a keyboard an input or output device?
A Keyboard is an input device.
Is a scanner an input or output device?
A scanner is an input device
Is a microphone an input or output device?
A microphone is an input device.
Is an LCD projector an input or output device?
An LCD projector is an output device.
Are headphones input or output devices?
Headphones are output devices.
Is a web camera an input or output device?
A web camera is an input device.
Is a speaker an input or output device?
A speaker is an output device.
Is a printer an input or output device?
A printer is an output device.