A+ Power Supply Types and Wattage Requirements Quiz

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| Questions: 20 | Updated: Aug 12, 2026
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1. True or False: All power supplies with the same wattage rating perform identically regardless of efficiency certification.

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About This Quiz
A+ Power Supply Types and Wattage Requirements Quiz - Quiz

Test your knowledge of power supply types, wattage calculations, and electrical requirements in modern computer systems. This quiz covers ATX and non-ATX form factors, connectors, efficiency ratings, and how to determine appropriate power capacity for different hardware configurations. Essential for technicians who need to select, install, and troubleshoot power supplies.

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2. True or False: Passive power factor correction (PFC) is more efficient than active PFC.

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3. A server or workstation with multiple hard drives and expansion cards typically requires ____ watts or more.

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4. What is the standard voltage output of the standby rail in ATX power supplies?

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5. Which connector type is commonly used for older optical drives and hard drives?

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6. When calculating required wattage, you should typically add ____ percent to the total component power draw.

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7. True or False: A power supply rated for 80+ Gold certification guarantees no power failures.

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8. What does the +12V rail primarily power in modern systems?

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9. The SATA power connector provides ____ pins for power delivery.

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10. Which power supply rating is considered the best efficiency standard?

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11. What is the standard voltage supplied by the 24-pin ATX power connector?

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12. A typical office workstation requires approximately ____ watts.

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13. What is the primary advantage of modular power supplies over non-modular designs?

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14. Which of the following is NOT a common power supply connector type?

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15. The 4-pin or 8-pin connector near the CPU socket is called the ____ connector.

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16. True or False: A 500W power supply can safely power a system with a total component wattage of 450W.

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17. Which connector is primarily used to power modern graphics cards?

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18. What does 80+ Bronze certification indicate about a power supply?

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19. A system with a high-end GPU and multiple storage drives typically requires a minimum of ____ watts.

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20. Which power supply form factor is most commonly used in modern desktop computers?

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True or False: All power supplies with the same wattage rating perform...
True or False: Passive power factor correction (PFC) is more efficient...
A server or workstation with multiple hard drives and expansion cards...
What is the standard voltage output of the standby rail in ATX power...
Which connector type is commonly used for older optical drives and...
When calculating required wattage, you should typically add ____...
True or False: A power supply rated for 80+ Gold certification...
What does the +12V rail primarily power in modern systems?
The SATA power connector provides ____ pins for power delivery.
Which power supply rating is considered the best efficiency standard?
What is the standard voltage supplied by the 24-pin ATX power...
A typical office workstation requires approximately ____ watts.
What is the primary advantage of modular power supplies over...
Which of the following is NOT a common power supply connector type?
The 4-pin or 8-pin connector near the CPU socket is called the ____...
True or False: A 500W power supply can safely power a system with a...
Which connector is primarily used to power modern graphics cards?
What does 80+ Bronze certification indicate about a power supply?
A system with a high-end GPU and multiple storage drives typically...
Which power supply form factor is most commonly used in modern desktop...
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