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单选题
A technician is testing a power supply for correct output voltages at the HDD power connector. Which of the following voltages should the technician expect for a correctly working power supply?（）
A
6V
B
9V
C
12V
D
24V
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A technician is testing a power supply for correct output voltages at the HDD power connector.Which of the following voltages should the technician expect for a correctly working power supply?()
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考题
A technician is testing a power supply for correct output voltages at the HDD power connector. Which of the following voltages should the technician expect for a correctly working power supply?（）A、6VB、9VC、12VD、24V
考题
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考题
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考题
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考题
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考题
单选题If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）A
A power supply testerB
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A loopback adapterD
A cable tester
考题
单选题A technician suspects the AC voltage into a PC power supply is bad. Which of the following toolswould MOST likely be used to confirm the diagnosis?（）A
MultimeterB
OscilloscopeC
Cable testerD
Power supply tester
考题
单选题The technician has replaced a power supply with an identical power supply, and now the high end graphics card is not working. Which of the following should the technician check?（）A
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The CMOS batteryC
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The processor for chip creep
考题
单选题A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）A
Cable testerB
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考题
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考题
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考题
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考题
单选题Which of the following should the technician do FIRST when replacing a motherboard?（）A
Use a benchmarking toolB
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考题
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