Apple twentieth anniversary mac 서비스 매뉴얼

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Connecting audio equipment
Your computer can record stereo sound from a sound input device—also called a sound source—such
as an extra microphone, a tape deck, or an audio CD player. Your computer can also play audio CDs in
its internal CD-ROM drive. The term sound input device means a device whose sound goes into your
computer for you to record or process in various ways.
You attach sound input devices to the sound input port on the back of your computer. The port is
marked with an icon of a microphone (≈).
Your computer comes with a built-in sound system, but you can attach an additional sound output
device, such as a set of amplified speakers or a set of headphones.
Sound output devices can be attached to either of the sound output ports. Both ports are marked with
an icon of headphones (f).
f
 Sound output port
 Sound input port
f
 Headphone jack
Sound     
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