What does a monitor a printer and a speaker have in common in relation to the unit of study?

A monitor, printer, and speaker are all output devices used in computing to convey information to the user. They each serve the purpose of translating digital data into a human-readable or perceivable format—monitors display visual information, printers produce physical copies of documents, and speakers output audio signals. Together, they enhance the user experience by providing diverse ways to receive and interact with digital content.