Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?
Options
A. United Parcel Service
B. Uniform Product Support
C. Under Paneling Storage
D. Uninterruptable Power Supply
Correct Answer
Uninterruptable Power Supply
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.