A paper clip
the device on which complete operating system is stored
A simple pn-junction diode is the common example of a electronic device.
Monitor
Every device in your house that plugs into a standard outlet and also the various lights in use in a typical residence.
Computer monitor.
A peripheral is a device that is connected to a computer. The most common peripheral device is a printer.
The common name for the timekeeping device sometimes known as a shadow clock is a sundial.
The scientists were not certain that their device would work correctly. Mistaken identity is a common plot device in mysteries.
ruler
The most common used audio input device is the webcam
spade
Door