The topics for this column include a simple piece of software for comparing files, a utility for showing the properties of USB devices attached to your computer, what Windows 7 “end of life” really means and what you should do about it, and an inexpensive but good quality external microphone and earpiece set for video conferencing.

中文翻译：

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这些文件是否相同？[从石幕]

本专栏的主题包括一个用于比较文件的简单软件，一个用于显示连接到计算机的USB设备的属性的实用程序，Windows 7“使用寿命终止”的真正含义以及您应该怎么做，以及廉价的但高质量的外部麦克风和听筒套装可用于视频会议。