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15 Cards in this Set
- Front
- Back
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What does ESD stand for?
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Electro static discharge
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What should you stand on when removing Ram?
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an anti static mat
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If you don't have an anti-static tool, what should you do?
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Touch the power supply every so often
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This is an anti static tool you wear:
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anti-static wrist strap
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What does Hertz measure?
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oscilations of electricity
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How much Hertz does houes current have in the US?
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60 Hertz
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If a current has 60 Hertz, how many times does it oscilate in a second?
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60 times a second
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What do you call a device that changes AC into DC?
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a rectifier
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What do you call a device that changes the ratio of voltage to current?
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a transformer.
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What unit measures resistance?
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Ohms
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These three numbers are standard voltages used in ATX computers.
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3.3, 5 and 12
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The bottom hole in a standard electricity socket in your home is what:
a) hot b) Neutral c) Ground |
ground
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What does a fuse do?
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prevents too much current from flowing through a circuit.
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Generally, electricians use green or black wire for?
a) hot b) neutral c) ground |
ground
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Generally, electricians use black and red for what wire:
a) hot b) neutral c) ground |
hot
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