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How many pins does the P1 connector have that uses the ATX Version 2.2 standard? |
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What are the maximum dimensions for a motherboard that uses the Micro ATX form factor? |
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Which form factor is a smaller version of the Micro ATX form factor? |
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Which form factor uses a riser card on the edge of the motherboard? |
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How many pins does the main power connector on a BTX motherboard have? |
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Which type of case form factor is best for keeping a system cool? |
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Which type of computer case is most popular for desktop systems? |
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What is the normal voltage of house electricity in the U.S.? |
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What is the difference between a transformer and a rectifier? Which are found in a PC power supply? |
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Definition
A rectifier is a device that converts alternating current to direct current. A transformer is a device that changes the ratio of current to voltage. A computer power supply functions as both. |
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Term
What are the five voltages that can be produced by an ATX or BTX power supply? Which voltage is seldom used? |
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Definition
+5, -5, +12, -12, and +3.3, -5. |
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Term
What device uses the 12V 6-pin power connector? |
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Definition
Video card that uses the PCI Express, Version 1 standard. |
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What device uses the 12V 8-pin power connector? |
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Definition
Video card that uses the PCI Express, Version 2 standard. |
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Term
What is the purpose of the 4-pin auxiliary connector on a motherboard? |
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Definition
To provide extra voltage for a processor. |
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What is the purpose of the 4-pin Molex connector? |
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How do you determine the wattage capacity needed by a power supply? |
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Definition
Add up all wattage requirements for all devices that will use the power supply and then add an additional 30%. |
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Term
Which one component in a high-end gaming computer is likely to draw the most power? |
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Why is a power supply dangerous even after the power is disconnected? |
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Definition
Capacitors inside a PC power supply create the even flow of current needed by the PC. |
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Term
Which tool of a PC support technician is the most important tool to protect the system against ESD? |
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Which permanently damages a computer component, damage caused by ESD or damage caused by EMI? |
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What is a simple way to detect EMI? |
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Definition
On an inexpensive AM radio, turn the tuning dial away from a station into a low-frequency range. With the radio on, you can hear the static produced by EMI. Try putting the radio next to several electronic devices to detect the EMI they emit. |
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Term
What is an unintended, high-current, closed connection between two points in a circuit called? |
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Definition
A short, or short circuit. |
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Term
What device protects a system against lighting strikes but does not protect against sags and brownouts? |
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What device protects a system against blackouts? |
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What two measurements are used to rate the capacity of a UPS? |
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What unit of measure is used to describe the amount of work a surge suppressor can do before it stops protecting the circuit from an electrical surge? |
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Why is it important to have an indicate light on a surge suppressor? |
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Definition
So you can tell when the surge suppressor is no longer providing protection against a power surge. |
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Term
.What are the two main types of uninterruptible power supplies? |
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How does a smart UPS differ from one that is not smart? |
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Definition
A smart UPS can be controlled by software from a computer to allow additional functionality. |
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Term
What is the purpose of a POST diagnostic card? |
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Definition
To report errors at POST. |
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Term
When taking a computer apart, why is it important to not stack boards on top of each other? |
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Definition
You could accidentally dislodge a chip. |
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When assembling a system, which do you install first, the drives or the motherboard? |
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List four computer symptoms that indicate a faulty power supply. |
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