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Example: "Most computers allow you to hook up external speakers using the sound output jack."

Speakers are popular output devices used with computer systems. They receive audio input from the computer's sound card and produce audio output in the form of sound waves. Most computer speakers are active speakers, meaning they have an internal amplifier which allows you to increase the volume, or amplitude, of the sound. Speakers usually come in pairs, which allows them to produce stereo sound from two separate audio channels.

Published: February 2, 2010

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Definition from the PC Glossary