(1)Input Devices An input device is any piece of equipment that supplies materials (input) to the computer. The most common input devices are the keyboard and mouse (See Figure 1-2). Other possibilities include image and bar-code scanners,joysticks,touch screens,digital cameras,electronic pens, fingerprint readers,and microphones,Input devices for a stereo system might be a CD player and antenna.
(1)Input Devices An input device is any piece of equipment that supplies materials (input) to the computer. 输入装置输入装置是向计算机提供材料（输入）的任何设备。 The most common input devices are the keyboard and mouse (See Figure 1-2). 最常见的输入设备是键盘和鼠标（见图1-2）。 Other possibilities include image and bar-code scanners,joysticks,touch screens,digital cameras,electronic pens, fingerprint readers,and microphones,Input devices for a stereo system might be a CD player and antenna. 其他可能性包括图像和条形码扫描仪、操纵杆、触摸屏、数码相机、电子笔、指纹阅读器和麦克风，立体声系统的输入设备可能是CD播放机和天线。
（1） 输入设备 输入设备是任一种给计算机提供资料的设备。最常用的输入设备是键盘和鼠标，如图1-2所示。其他的有图像和条形码扫描器、操作杆、触摸屏、数码相机、电子笔、指纹阅读器和麦克风等。立体音响系统的输入设备是CD播放器和天线。
