|27 Aug 2012||#1|
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Relationship of electricity with the hardware
This question is purely academic on my part and have been a question to me since I still lack the formal education about it. So, to anyone who could please explain to me in lay or professional terms (I'll try to manage), what is the relationship of electricity (and which type) to the hardware in both electronics and computer terms (if they vary, that is) to making things work in those machines like how relative is an electric flow to a running computer or a running program in it?
|My System Specs|
|27 Aug 2012||#10|
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You need to be more specific about what you want to know. In simple terms there is Voltage, Current and Resistance. Google "Ohms Law". P = I x E. Power in Watts, equals the Current in Amps, multiplied by the Voltage in Volts. You can think of power as the potential to do work. The two very basic types of voltage are AC, alternating current, and DC, direct current. My AC wall outlets supply 120Volts AC at 60 hertz. The polarity of the voltage measured across the outlet reverses polarity 60 times a second. A simple incandescent lamp can run directly off of the AC voltage. Most electronic devices like a PC can't. They use DC. Direct current has a dedicated positive and negative terminal, a fixed polarity. One terminal will be positive and one negative. The power supply in the PC converts the AC to DC. The voltage is stepped down (reduced) to what the various computer parts need. The PC power supply supplies several different voltages.
|My System Specs|
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