3.14.6 Practice Questions

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Purdue Global University *

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332

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Mechanical Engineering

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Jan 9, 2024

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docx

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3.14.6 Practice Questions 1. You have a desktop computer that provides a 250-watt power supply. You recently added a four-disk RAID 10 array to the system, and now it spontaneously shuts down. Which of the following would MOST likely solve this issue? Upgrade to a power supply that provides more watts 2. You have just installed a new hard drive in your desktop computer. Which of the following power supply connectors is designed to provide power to your new hard drive? (Select the correct connector.) D 3. Which of the following connectors provides additional power to the CPU from an ATX power supply using the fewest pins? (Select the correct connector.) A 4. You have just installed a new video card in your desktop computer for gaming purposes. Which of the following power supply connectors is designed to provide additional dedicated power to your new video card? (Select the correct connector.) C 5. You have just installed a new video card in your desktop computer for gaming purposes. Which of the following power supply connectors is designed to provide additional dedicated power to your new video card? (Select the correct connector.) Use an adaptor cable to connect two 4-pin Molex connectors to the 8-pin PCIe connector 6. Which of the following components converts AC power to DC power? Power supply 7. You are servicing a client's computer that has been randomly restarting. You decide to test the power supply voltage on the 12 V rail using a multimeter. Which of the following BEST describes the action you should take based on the multimeter reading shown below? Replace the power supply because it is failing 8. You need to replace the power supply in your home desktop computer. Which of the following specifications are the MOST likely to affect your power supply choice? (Select three.) Output wattage, form factor 9. Your company relocated you from the United States to their United Kingdom office in London. You brought your personal computer with you, and you are in the process of setting it up. Your computer was previously configured to receive 115 VAC, but the electricity in London uses 230 VAC. Which of the following would allow your computer to run on 230 VAC? Inspect the power supply unit for a manual voltage switch and move it to 230 VAC. Otherwise, no action is necessary. 10. A computer's power supply converts main AC to low-voltage regulated DC power for the internal components. You are building a new computer, and you are deciding which type of power supply to install. Which of the following definitions BEST describes a valid type of power supply? A dual-rail power supply provides separate rails (PCB traces) to balance the power load between multiple circuits (this prevents any one circuit from becomin g overloaded).

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