Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?
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ups is nothing but power controler when sudder current gone its give the curren to system and its very important also
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An uninterruptible power supply, also uninterruptible power source, UPS or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source, typically mains power, fails.
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