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ch 4 stack 3 kg

QuestionAnswer
power supply power supply-Also known as a power supply unit (PSU). A box inside a computer case that supplies power to the motherboard and other installed devices.
power supply tester: power tester-Used to measure the output of each connector coming from the power supply.
radio frequency interference (RFI) RFI- EMI in the radio frequency range.
rectifier rectifier-An electrical device that converts AC to DC. A PC power supply contains a rectifier.
resistor: resistor-An electronic device that resists or opposes the flow of electricity. A resistor can be used to reduce the amount of electricity being supplied to an electronic component.
riser card riser card-A card that plugs into a motherboard and allows for expansion cards to be mounted parallel to the motherboard. Expansion cards are plugged into slots on the riser card.
soft power soft power-Another term for a soft switch
soft switch soft switch- A feature on an ATX or BTX system that allows an OS to power down the system and allows for activity such as a keystroke or network activity to power up the system. Also called soft power.
spikes spikes-Temporary surges in voltage, which can damage electrical components. Also called swells.
static electricity static elect-An electrical charge at rest. Also known as electrostatic discharge (ESD).
surge protector or surge suppressor surge protector-A device or power strip designed to protect electronic equipment from power surges and spikes.
tower case tower case-he largest type of personal computer case. Tower cases stand vertically and can be as high as two feet tall. They have more drive bays and are a good choice for computer users who anticipate making significant upgrades.
transformer transformer-A device that changes the ratio of current to voltage. A computer power supply is basically a transformer and a rectifier.
transistor: transistor-An electronic device that can regulate electricity and act as a logical gate or switch for an electrical signal.
uninterruptible power supply (UPS) UPS-A device designed to provide a backup power supply during a power failure. Basically, a UPS is a battery backup system with an ultra-fast sensing device.
volt (V) volt-A measure of potential difference in an electrical circuit. A computer ATX power supply usually provides five separate voltages: +12 V, -12 V, +5 V, -5 V, and +3.3 V.
voltage selector switch: voltage selector-A power supply might have a voltage selector switch on the back.
watt (W): watt- The unit used to measure power. A typical computer may use a power supply that provides 200 W.
Created by: 14kginley
 

 



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