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Which device keeps a computer running briefly during a sudden power failure?

Answer and explanation

Correct answer: Uninterruptible Power Supply (UPS)

An Uninterruptible Power Supply, or UPS, contains a battery and power-control circuitry that provide temporary electricity when the main supply fails. This short backup period allows the user to save files and shut down safely. A modem and router communicate over networks, while a scanner captures images or text; none is designed to provide computer power. Thus, option B is correct.

Related tags

UpsPower-BackupComputer-SafetyHardwareBasic Components Of A Computer SystemIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial Intelligence

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