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擴充卡

此條目需要擴充。 (2018年3月23日)请協助改善这篇條目，更進一步的信息可能會在討論頁或扩充请求中找到。请在擴充條目後將此模板移除。

擴充卡在電腦運算中是一塊印刷電路板，可以插入電腦主機板、背板或轉接卡上的電子連接器或擴展槽中，以便通過電腦系統添加功能。^[1]

另見

參考資料

^ What is expansion bus. Webopedia. [2018-03-22]. （原始内容存档于2017-07-26）.

外部連結

Computer expansion slots listing and pinouts （页面存档备份，存于互联网档案馆）

查论编电子计算机基本部件

输入设备	鍵盤數字鍵盤影像掃描器显示卡圖形處理器麦克风定点设备数码绘图板游戏控制器光筆（英语：Light pen）鼠标光學指点杆触摸板觸控式螢幕轨迹球盲文显示机声卡聲音處理器（英语：Sound chip）摄像头虛擬（英语：Softcam）

输出设备	顯示器螢幕盲文显示机打印机繪圖儀（英语：Plotter）揚聲器（英语：Computer speakers）声卡显示卡

移动存储	磁碟組（英语：Disk pack）软盘光碟 CD DVD BD 闪存記憶卡闪存盘

机箱	中央处理器微处理器主板記憶體隨機存取 BIOS 數據存貯器硬盘固态硬盘混合固态硬盘電源供應器開關模式電源金屬氧化物半導體場效電晶體功率電壓調節模組网卡傳真數據機（英语：Fax modem）擴充卡

接口（英语：Computer port (hardware)）	以太网 FireWire 並列序列 PS/2 USB Thunderbolt DisplayPort／HDMI／DVI／VGA SATA TRS

规范控制数据库：各地	以色列美国

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