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10 Cards in this Set
- Front
- Back
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Volts |
The "electrical pressure" in a circuit. How far the electricity will travel. |
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Amperage |
How much electrical current is moving |
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Resistance |
Measured in ohms, more resistance means less amps. |
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Difference between a rectifier and a transformer |
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. |
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What are the three voltages produced by an ATX or BTX power supply? |
+5, +12, +3.3 |
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What is the basic electronic building block of an integrated circuit |
The transistor |
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Why is a power supply dangerous after the power is disconnected? |
The capacitors inside a PC create the even flow of current needed by the PC. They maintain their charge long after current is no longer present. |
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3 tools that you can use to protect a system against ESD |
Ground bracelet, ground mat, antistatic gloves |
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How much power is consumed by drawing 5 A with 12 V across it? |
60 watts |
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When working on a PC, do the following |
Always touch the computer case before touching a circuit board inside the case. Always wear an antistatic wrist band clipped to the side of the case. Always sit a computer on an antistatic mat when working on it. |
