外围设备分为输入设备,如键盘,鼠标,扫描仪等 输出设备,如打印机 输入/输出兼容设备,如显示器,键盘打印机,声音识别器等 外存设备,-Peripheral devices are divided into input devices such as keyboard, mouse, scanner, etc. output devices such as printers input/output compatible devices such as monitors, printers k