input and output devices

SPEAKERS Speakers are one of the most common output devices used with computer systems. Speakers are transducers that...

PLOTTER A graphics printer that draws images with ink pens. It actually draws point-to-point lines directly from vector graphics...

PRINTER A printer is an output device that prints paper documents. This includes text documents, images, or a combination...

MONITOR A monitor or a display is an electronic visual display for computers. The monitor comprises the display device, circuitry...

MICROPHONE microphone an instrument capable of transforming sound waves into changes in electric currents or voltage,...

TRACKBALL A trackball is a computer cursor control device used in many notebook and laptop computers. The trackball is usually...

TRACKPAD A trackpad is a pointing device featuring a tactile sensor, a specialized surface that can translate the motion...

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