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Which external device keeps a computer running for a short time during a power failure?

Answer and explanation

Correct answer: Uninterruptible Power Supply

The correct answer is D, an Uninterruptible Power Supply, commonly called a UPS. It contains a battery and power-control circuitry that provide temporary electricity when the main supply fails. This short backup period allows a user to save work and shut the computer down safely. A scanner, printer, and speaker may use electricity, but they do not provide backup power to the computer.

Related tags

UpsPower-BackupComputer-SafetyBasic Components Of A Computer SystemIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial IntelligenceClass 9 Mcq

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