The keyboard is a prominent example of input devices. When the user presses any key, the circuit present beneath the keypad gets connected, allowing a small fraction of current to fl… See more

A mouse is primarily a pointing device that takes the guided motion by the user as an input. It then translates this mechanical movement to a form that is easily understand… See more

Scanners are everywhere, from the fingerprint scanner on your phone to the document scanner on your office desk, and to the bar code scanner. Scanners make use of casti… See more

There are various types of microphones available in the market. For example, condenser mic, carbon granule mic, ribbon mic, etc. All of them have their respective working pri… See more