Chapter 10 A+ Word Scramble
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Question | Answer |
What is the proper voltage for a U.S. electrical outlet? | U.S. outlets run at 120V. |
What voltages does an ATX12V P1 connector provide for the motherboard? | An ATX12V power supply P1 connector provides 3.3, 5, and 12 volts to the motherboard. |
What sort of power connector does a floppy disk drive typically use? | Floppy drives commonly use a mini connector. |
Joachim ordered a new power supply but was surprised when it arrived because it had an extra 4-wire connector. What is that connector? | The P4 connector goes into the motherboard to support more power-hungry chips. |
What should you keep in mind when testing DC connectors? | DC has polarity. The red lead should always touch the hot wire; the black lead should touch a ground wire. |
What voltages should the two hot wires on a Molex connector read? | A Molex connector's red wires should be at 5 volts; the yellow wire should be at 12volts. |
Why is it a good idea to ensure that the slot covers on your computer case are all covered? | Keeping the slots covered helps keep a good airflow in your case and keeps the dust and smoke away from all those sensitive internal components. |
A PC's power supply provides DC power in what standard configuration? | The standard PC power supply configuration has three primary voltage rails, one each for 12-volt, 5-volt, and 3.3-volt connectors. |
What feature of ATX systems prevents a user from turning off a system before the operating system has been shut down? | The soft power feature of ATX systems prevents a user from turning off a system before the operating system has been shut down. |
How many pins does a SATA power connector have? | SATA power connectors have 15 pins. |
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