Final answer:
Speakers are an output device used to produce sound output from a computer or other audio source.
Step-by-step explanation:
An output device is a peripheral device that receives data from a computer and sends information to the user. In the given options, the output device is OD. Speakers. Speakers are used to produce sound output from a computer or other audio source. The other options, such as the keyboard, scanner, and microphone, are input devices that are used to input data into a computer.
Learn more about Output devices