A+ V14 Power Supply Cable and Connector Types Quiz

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| Questions: 20 | Updated: Aug 12, 2026
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1. Which power connector is used to supply power to floppy disk drives?

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About This Quiz
A+ V14 Power Supply Cable and Connector Types Quiz - Quiz

This quiz evaluates your knowledge of power supply cables and connectors covered in CompTIA A+ Core 1 V14 certification. You'll test your understanding of connector types, voltage specifications, pin configurations, and proper cable identification used in modern computer systems. Master these concepts to ensure safe power delivery and hardware compatibility... see morein real-world IT environments. see less

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2. Which modern storage interface replaced the Molex connector for most internal drives?

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3. What does the sense wire (gray/purple) in ATX connectors monitor?

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4. The +3.3V rail in ATX power supplies is primarily used for which devices?

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5. What is a keyed connector designed to prevent?

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6. Which ATX power supply rail typically has the most current capacity?

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7. The 20-pin ATX connector was designed to provide power to which component primarily?

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8. What color wire represents +12V in ATX power supplies?

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9. An 8-pin PCIe power connector is often used for which component?

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10. What is the standard color of the ground wire in ATX power supplies?

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11. What is the primary voltage output of a standard ATX 12V 2.0 power supply's main connector?

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12. A 6-pin PCIe power connector typically supplies what voltage?

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13. What does PCIe stand for in the context of power connectors?

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14. Which connector type is most commonly used for legacy IDE hard drives?

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15. What is the primary purpose of the green wire (PS_ON) in an ATX power supply?

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16. How many pins are in a standard 4-pin Molex connector?

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17. SATA power connectors provide which voltage levels?

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18. What does the 8-pin (4+4) CPU power connector primarily supply?

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19. The 24-pin ATX power connector replaced which earlier standard?

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20. Which connector type is used to power modern graphics cards requiring high current delivery?

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Which power connector is used to supply power to floppy disk drives?
Which modern storage interface replaced the Molex connector for most...
What does the sense wire (gray/purple) in ATX connectors monitor?
The +3.3V rail in ATX power supplies is primarily used for which...
What is a keyed connector designed to prevent?
Which ATX power supply rail typically has the most current capacity?
The 20-pin ATX connector was designed to provide power to which...
What color wire represents +12V in ATX power supplies?
An 8-pin PCIe power connector is often used for which component?
What is the standard color of the ground wire in ATX power supplies?
What is the primary voltage output of a standard ATX 12V 2.0 power...
A 6-pin PCIe power connector typically supplies what voltage?
What does PCIe stand for in the context of power connectors?
Which connector type is most commonly used for legacy IDE hard drives?
What is the primary purpose of the green wire (PS_ON) in an ATX power...
How many pins are in a standard 4-pin Molex connector?
SATA power connectors provide which voltage levels?
What does the 8-pin (4+4) CPU power connector primarily supply?
The 24-pin ATX power connector replaced which earlier standard?
Which connector type is used to power modern graphics cards requiring...
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