All About Computers

Before discussing, power supply, we must understand first, what actually is the power supply. Power supply is a device that is in the computer that serves to power the computer mensuply. Power supply can be said is the heart computer. Power supply dead, komputerpun will iktu die, because there is no pumping energy into the computer.

There are some common terms used in the power supply, namely:
Modular
Is the term for upper-class power supply. Modular is used to mark the number of connectors used AC. Power supply that uses modular, meaning using the AC plug that has been determined as much by the user. Thus the number of ac power cable adapted to the many needs of the system, (can be added and subtracted), and this of course would be more efficient in the wiring and of course will look more tidy. But the need to record a power supply that has this facility is top class power supply.
PFC (Power Factor Correction)
This term refers to the amount of wasted power into heat. This was inevitable, the power supply would have any kind of hot lead, only difference is, how much power is converted into heat. Nila PFC measured from 0 to 1. Getting closer to the number 1 means the quality of the PFC will be the better, and of course the quality of power supply is also going to get better. Some power supply Active PFC uses a separate circuit that serves to balance the load induction, while some power supply passive PFC longer use that rely on balancing the load capacitor induction. Therefore, the power supply with active PFC more expensive with the usual type.
Efficiency
Dala term power supply is often referred to as pure power. This is because the power supply is not likely to issue a written power of dilabelnya. The higher the puree from the power supply, then all the better quality of power supply, and of course price is also more expensive. For the power supply not included powernya pure numbers usually only has a value of about 50% efficiency only. So, for example power supply with 500 watts of power, then the original power is only about 250-270 watts only. In contrast to the power supply pure numbers written powernya, usually above 85%. That means if there is a written power supply the power of 500 watts, then 85% efficiency value, then the actual real power is around 400 watts. The greater the efficiency of the power supply, the more stable it will also work from the computer, even if forced to work more (eg for the purposes of overclocking).