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The circuitary up sounds and music within your PC is technically called a sound adapter, but most people and computer stores simply call it a sound card. That term comes straight from your PC’s history. Early PCs merely blurted out a single beep on startup, meant to reassure nervous owners that everything was working correctly.
The only way to improve a PC’s sound back then was to spend $300 or more on a drop-in sound card, most gamers gladly paid the premium. Today, all new PCs include stereo sound, but the circuitry lives in any of three different places — on the motherboard, on a separate sound card, or inside a box that plugs into a USB port.
