An UPS (Uninterrupted Power Supply) is an essential component of your computer system. The basic idea, as the name suggests, is to give you an uninterrupted power supply in case of a power failure. In addition, it also saves your computer from fluctuations in voltage. It came as a replacement for the traditional CVTs (Constant Voltage Transformers) which were meant for negating peaks in voltages but did not offer power backup as in the modern UPSs. There are however some precautions one must take while using them
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