Sonya, a user, reports that she works in an electrically unstable environment where brownouts are a regular occurrence. Which of the following will you tell her to use to protect her computer?

Question

Options

• AUPS
• BMultimeter
• CSMPS
• DCMOS battery

• A
  94% (30)
• B
  3% (1)
• C
  3% (1)

Explanation

A UPS (Uninterruptible Power Supply) is the right choice because it contains a battery that provides clean, stable power during brownouts (voltage drops) and blackouts, protecting the computer from damage caused by power fluctuations. A Multimeter (B) is a diagnostic tool for measuring voltage, current, and resistance - it monitors electricity but offers zero protection. A SMPS (Switched-Mode Power Supply) (C) is the internal power supply unit already inside the computer; it converts AC to DC but cannot compensate for unstable incoming power. A CMOS battery (D) is a small coin cell on the motherboard that preserves BIOS settings and the system clock - it has nothing to do with power conditioning.

Memory tip: Think "UPS = Uptime Protection Shield." If the power goes down, a UPS keeps you up.

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