19. Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?
(a) United Parcel Service (b) Uniform Product Support (c) Under Paneling Storage (d) Uninterruptable Power Supply
Answer
Answer : (d)
Explanation
Explanation : 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.