Power Flashcards
Power rating for a power supply
wattage
Most significant characteristic in determining how many devices a power supply can support
wattage
technology that allows CPU to slow down if thermal output reaches a critical level or to improve power performance
throttling
The potential difference between two points.
Voltage
The actual flow of electrons
Current
The degree of opposition to the current caused by the conductor
Resistance
The rate at which electricity is drawn from the supply by the device using it
Power
The amount of power consumed by a device over time
Energy
Voltage is measured in..
Volts
Current is measured in …
Amps
Resistance is measured in …
Ohms
Power is measured in…
Watts
Energy is measured in…
Kilowatts
A material that acts as both conductor and insulator
Semiconductor
A material that can oppose the flow of current without blocking it completely and is used to manage electronic circuits.
Resistor
A valve allowing a current to flow in one direction only
Diode
A safety device designed to break a wire, breaking the current and shutting off the current
Fuse
A semiconductor switch used to create logical devices
Transistor
A device which stores electrical energy and is often used to regulate voltage
Capacitor
What is the power setting in the US?
115V
What is the power setting in the UK?
240V
Maximum power output available from a PC power supply, measured in watts, calculated voltage multiplied by current.
Power rating
Power rating of typical desktop PC
200 - 300 W
Power rating of Slimline Desktop PC
100 - 200 W
