一台正常工作的电脑,最怕突然停电。首先它会使内存中的数据全部丢失,其次若硬盘在进行读写操作会使硬盘上出现文件“碎片”。而积累的碎片会降低电脑运行速度,最终导致系统崩溃。严重的还会对硬盘造成永久性物理损伤。 一台UPS(不间断电源系统)能帮您解决这个问题。按工作方式分为后备式和在线式两大类。后备式UPS正常时由市内电网直接供 A normal working computer, most afraid of a sudden power outage. First, it will make all the data in memory is lost, and secondly, if the hard disk is read and write, the file “fragmented” will appear on the hard disk. The accumulation of debris will reduce the speed of the computer, eventually leading to the collapse of the system. Serious will also cause permanent physical damage to the hard disk. A UPS (Uninterruptible Power System) can help you solve this problem. According to the work is divided into two types of reserve and online. Backup UPS normal supply from the city power grid directly