28456630
Beschreibung
Karteikarten von Jessica Rizo, aktualisiert more than 1 year ago
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Erstellt von Jessica Rizo
vor mehr als 3 Jahre
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| Frage | Antworten |
| What is an Amp? | Ampere (Amp, A) The rate of electron flow past a point in one second *the diameter of a water hose |
| What is a Volt? | Voltage(volt, V) Electrical “pressure” pushing the electrons *how open the faucet is |
| What is a Watt? | Wattage (watt, W) Measurement of real power use *the total amount of water |
| How do you calculate wattage? | Volts X Amps= watts |
| What is an Ohm? | How much resistance or barrier something creates against electricity |
| What is AC? | Alternating Current Constantly reversing the direction of power Comes out of power outlets |
| What is he voltage of AC in US/Canada? | 110-120v at 60HZ (hertz) |
| What is the voltage of AC in Europe? | 220-240v at 50HZ |
| What is DC? | Direct Current Moves in one direction with constant voltage |
| What happens if you plug a device that needs more power | Your device won’t work but no serious harm will happen |
| What happens if plug in a device to a higher power source? | Can seriously damage your device |
| How much power does the Molex power connector supply? | Provides +3.3v, +/-5v, and +/-12v |
| What is +12v on the Molex used to power what components? | Powers larger components like PCIe adapters, hard drive motors, cooling fans |
| What does the +5v help to power? | Can help to power M.2 slots and RAM slots |
| What does +3.3v help to power? | With MOBOs being more efficient, +3.3v now power M.2 and RAM slots |
| What does -12v power? | On older computers they power integrated LANs, serial ports, PCI cards *don’t see this much these days |
| What does -5v help to power? | Powers older components that you don’t see much these days |
| What are power supplies rated in? | Watts |
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