Question
Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?
Answer: Option D
An uninterruptable power supply (UPS) is a backup power supply, such as a battery, that provides emergency power in the event that power is lost from the main supply.
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An uninterruptable power supply (UPS) is a backup power supply, such as a battery, that provides emergency power in the event that power is lost from the main supply.
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