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36 terms

Chapter 8/10

STUDY
PLAY
Electricity
The flow of negatively charged particles through matters is also known as ___.
Conductors
Materials in which electrons move freely are called
Voltage
The pressure of electrons in a wire is called ___.
Direct Current
___ current allows electrons to flow in one direction around continuous circuits.
Alternative Current
___ current allows electrons to flow in alternate directions back and forth in a circuit.
Power Supply
The ___ in a computer converts AC power to DC.
IEC-320
The power supply connects to the power cord via a standard ___ connector.
Hot and Neutral
The IEC-320 plug has three holes: the ___, the ___ and the ground.
Multimeter
a ___ is used to test AC outlets.
Ground
The ___ wire helps excess electricity to return safely to the ground.
Multimeter
a ___ is also called a volt-ohm meter.
Continuity
The ___ test by a multimeter checks whether electrons can flow from one end of the wire to the other.
Surge Supressor
A ___ is used to protect the computer from frequent power dips or power outages
Uninterrupted Power Supply (UPS)
A ___ will provide conditioned AC by filtering out noise and will also protect against power dips.
Watts and Volt-amps
All Uninterruptible power supplies are measured in __.
Surge Supressor
A ___ is inserted between the power supply and the outlet to protect the system from power surges.
Floppy
Mini connectors are often called ___ power connectors.
Joule
An ___ is the unit of electrical energy.
Sata Drives
L-shaped power connectors are used for ___.
Splitter
A ___ is used to create more connections to power all the devices in a PC.
20 or 24
Modern Motherboards uses a ___ - or ____ -pin P1 power.
Insufficient
A system you maintain locks up randomly. this is very likely due to ___ powers.
Turned On
In order to check power supply voltages, the power supply must be ____.
AC
When traveling to Europe, a user should check the __ switch before plugging in a PC.
Wattage
Every device in a PC requires a certain amount of ___ to function, derived from the amount of amps and volts it needs.
4-pin
Modern ATX12V power supplies add the ___ connector, providing additional 12 volt power.
Power Supply Fan
The ___ provides basic cooling for the PC
Case Fan
___ provides extra cooling for key components
Exhaust Fan
The ___ located near the top of the computer case takes air from inside the case and sends it outside.
Slot Covers
____ assist in maintaining proper airflow and keeping the dust and smoke out of the case.
Voltage
The V ~ sign stands for ___ current.
Resistance
If a multimeter shows infinite ___ between one end of a wire and the other, then their is no continuity.
Surge Supressors
Two essential devices that handle sags and spikes in the supply of AC are uninterruptible power supplies and ___.
Uninterrupted Power Supply (UPS)
A ___ has a power-conditioning feature.
Amps
___ is the amount of electrons moving past a certain point on a wire.
Watts
The amount of amps and volts needed by a particular device to perform its function is expressed in ___