Learn in the textbookFacility Management: Power Supply Measures and Energy Saving
DefinitionUPS takes the initials of Uninterruptible Power Supply and is the abbreviation for the device called 無停電電源装置 in Japanese.
ExplanationBecause it is simply an abbreviation of the English name, it refers to the same device as the uninterruptible power supply. Some products can also send a signal to the computer when they detect a power problem.
Memory hookBreak it down as Un (not) + interrupt and you get "not interrupted", which matches the Japanese name 無停電電源装置, literally a "no-outage power supply".