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15 Cards in this Set

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