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| 1 | |
What unit is used to measure voltage? |
| | A) | Ampere |
| | B) | Ohm |
| | C) | Volt |
| | D) | Watt |
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| 2 | |
What is the unit of measuring current? |
| | A) | Ampere |
| | B) | Ohm |
| | C) | Volt |
| | D) | Watt |
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| 3 | |
Which of the following units is used to measure resistance? |
| | A) | Amp |
| | B) | Ampere |
| | C) | Ohm |
| | D) | Watt |
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| 4 | |
What type of voltage does a PC use? |
| | A) | AC |
| | B) | DC |
| | C) | ground |
| | D) | LC |
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| 5 | |
In an IEC-320 plug, which wire carries electrical voltage? |
| | A) | earth |
| | B) | ground |
| | C) | hot |
| | D) | neutral |
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| 6 | |
Which of the following wires carries no voltage? |
| | A) | ground |
| | B) | hot |
| | C) | multimeter |
| | D) | neutral |
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| 7 | |
A surge suppressor should be rated at a minimum of ____ joules. |
| | A) | 330330 |
| | B) | 400 |
| | C) | 800 |
| | D) | 1449 |
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| 8 | |
Power supplies come with a standard ____ for the motherboard and interior devices. |
| | A) | connector |
| | B) | hole |
| | C) | pin |
| | D) | suppressor |
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| 9 | |
The P1 connector from the power supply is plugged into the ____ socket. |
| | A) | P1 |
| | B) | P2 |
| | C) | P3 |
| | D) | P4 |
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| 10 | |
Which connector is the most common type of connector used for devices that require 5 V or 12 V of power? |
| | A) | Molex |
| | B) | P1 |
| | C) | P4 12 V |
| | D) | sub-mini connector |
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| 11 | |
The 3.5-inch floppy drive uses the ____ connector. |
| | A) | mini |
| | B) | Molex |
| | C) | P1 |
| | D) | P4 12V |
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| 12 | |
Power supplies are rated in ____. |
| | A) | ampere |
| | B) | ohms |
| | C) | volts |
| | D) | watts |
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| 13 | |
What type of power connector is L-shaped? |
| | A) | P1 |
| | B) | Mini |
| | C) | Molex |
| | D) | SATA |
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| 14 | |
A coworker is taking a computer overseas and asks you what concerns he should have. What do you tell him? |
| | A) | There are no issues to be concerned about. |
| | B) | His PC will not work overseas. |
| | C) | Make sure he switches the power supply to 230AC. |
| | D) | Make sure he switches the power supply to 115AC. |
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| 15 | |
The standard modern power supply provides ____ volts of power. |
| | A) | 3.3, 5, and 12 |
| | B) | 5 and 12 |
| | C) | 6 and 12 |
| | D) | 12 |
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| 16 | |
Which of the following uses the soft power feature? |
| | A) | AT |
| | B) | ATX |
| | C) | SATA connectors |
| | D) | Molex power supplies |
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| 17 | |
Which power supply never turns off? |
| | A) | ATX |
| | B) | AT |
| | C) | P8, P9 |
| | D) | P1 |
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| 18 | |
Molex connectors are used for ____ power. |
| | A) | central |
| | B) | AC |
| | C) | backup |
| | D) | peripheral |
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| 19 | |
Most case fans have standard ____ connectors that are easy to plug in. |
| | A) | Molex |
| | B) | mini |
| | C) | mini |
| | D) | sub-mini |
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| 20 | |
Expansion bays must be covered by the ____ to maintain proper airflow inside the case. |
| | A) | case sheath |
| | B) | case cover |
| | C) | slot lid |
| | D) | slot cover |
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| 21 | |
The ____ power supply has a 24-pin main motherboard that resembles a 20-pin P1 connector. |
| | A) | EPS12 V |
| | B) | Molex |
| | C) | mini |
| | D) | P4 21 V |
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| 22 | |
Which industry group came up with a non-ATX standard motherboard and power supply called EPS12 V? |
| | A) | Hardware System Infrastructure |
| | B) | Server Power Infrastructure |
| | C) | Server System Infrastructure |
| | D) | Software System Infrastructure |
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| 23 | |
A(n) ____ power supply converts energy efficiently. |
| | A) | Active PFC |
| | B) | EPS 12V |
| | C) | SPS |
| | D) | UPS |
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| 24 | |
What should be the outputs of the hot, neutral, and ground wires when tested with a multimeter? |
| | A) | 0 V, 115 V, 0 V |
| | B) | 0 V, 115 V, 2 V |
| | C) | 112 V, 115 V, 0 V |
| | D) | 115 V, 0 V, 0 V |
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| 25 | |
How is DC voltage represented on multimeters? |
| | A) | V with a ~ below it |
| | B) | V with a dash below it |
| | C) | V with a ~ above it |
| | D) | V with a solid line above a dashed line |
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| 26 | |
A PC doesn’t work. What should you check first? |
| | A) | Power supply voltages |
| | B) | 12 V power supply |
| | C) | Ensure DC plug is plugged in |
| | D) | Ensure AC plug is plugged in |
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| 27 | |
Power supplies are protected from spikes of AC current with the use of a ____. |
| | A) | fuse |
| | B) | surge suppressor |
| | C) | UPS |
| | D) | All of the above |
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| 28 | |
What UL rating should you look for on a surge suppressor? |
| | A) | UL497A |
| | B) | UL1497A |
| | C) | UL1449 |
| | D) | 1750 joules |
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| 29 | |
How many watts of power does a typical hard drive in a PC require? |
| | A) | 12 |
| | B) | 15 |
| | C) | 20 |
| | D) | 18 |
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| 30 | |
How many watts of power does an Athlon64X2 CPU require at peak performance? |
| | A) | 50 |
| | B) | 70 |
| | C) | 110 |
| | D) | 200 |
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| 31 | |
The notches in the Molex connector that guides installation are called ____. |
| | A) | chamfers |
| | B) | power |
| | C) | ports |
| | D) | sockets |
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| 32 | |
Which is the latest ATX power supply standard? |
| | A) | ATX12V 1.3 |
| | B) | ATX12V 2.0 |
| | C) | ATX12V 3.0 |
| | D) | EPS12V |
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| 33 | |
Which of the following is a correct statement? |
| | A) | An open case allows better cooling. |
| | B) | An open case ruins airflow and loses cooling efficiency. |
| | C) | Cooling the PC is not recommended. |
| | D) | Large cases do not require cooling. |
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| 34 | |
What class of fire extinguisher should be used on an electrical fire? |
| | A) | Class A |
| | B) | Class B |
| | C) | Class C |
| | D) | Class D |
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| 35 | |
What is the amount of amps and volts needed by a particular device to function called? |
| | A) | Amperes |
| | B) | Resistance |
| | C) | Voltage |
| | D) | Wattage |
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