1.
MONITOR- or display (sometimes called a visual display unit) is an electronic visual display for
computers. The monitor comprises the display device, circuitry, and an enclosure.
2.
PRINTER- is a
peripheral which produces a text and/or graphics) of documents stored in
electronic form, usually on physical print media such as paper or transparencies.
3.
SPEAKER- or multimedia speakers, are
speaker external to a computer, that disable the lower fidelity built-in speaker. They often have a low-power internal amplifier.
4.
HEADPHONE- are a pair of small loudspeaker, or less commonly a single speaker, with a way of holding them close to a user's ears and a means of connecting them to a signal source such as an audio amplifier,
radio or CD player.
5.
PROJECTOR- is a device that receives a video
signal and projects the corresponding image on a
projection using a
lens system.
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