COMPUTER ARCHITECTURE
INPUTOUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Speakers
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A projector
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Lights
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A monitor
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Detailed explanation-1: -Braille keyboard and Braille display device: These are keyboards with Braille lettering, that can be used by blind or visually impaired users. On-screen or virtual keyboards: The keyboard is displayed on a user’s screen and used with gesture-controlled pointers or joysticks.
Detailed explanation-2: -A speaker is an output device that produces sound through an oscillating transducer called a driver. The equivalent input device is a microphone. Speakers are plugged into a computer’s sound card via a myriad of interfaces, such as a phone connector for analog audio, or SPDIF for digital audio.
Detailed explanation-3: -Headphones perform a similar function as computer speakers in that they allow users to listen to audio from an electronic device.