A clock. Ha ha ya shoulda known.
Watch
a device used to display tempurature is a thermometer
A device used to display atmospheric pressure is a barometer, or you can use an evacuated cell type of gauge.
The device is called a barometer.
router
A satelite
a thermometer thermometer a thermometer
Your monitor/display system.
Your monitor/display system.
the graphics processor
A display ADAPTER is neither. The Display is an output device.
the graphics processor