300Watts for low end and 950Watts for high end
Computers
SMPS
it can simply be called a "power supply" or a PSU (power supply unit)
Molex and Sata
You need to make sure you buy a power supply that is rated for your motherboard. Common ratings are 350w, 400w and 500w.
TRUE
Computers require their own internal power supply because the power required to power most newer computers, especially with high-end graphics cards, would require a bulky power supply which wouldn't be ideal in transporting computers or aesthetically. Also, with all of the other internal parts of a computer, some type of power interface would be necessary within the PC anyway, so why not just bundle it all together?
The first power supply was invented by Thomas Edison. It is unknown when exactly the first universal power supply for computers was invented.
All computers have an internal power supply... An external one is simply for back up if you lose power.
there are how many computers you can get connected to
A PC Main Supply is what gives the computer power to operate, in desktop computers they have to constantly be connected to some type of power outlet. Diagram. Plug socket > Cable > PSU (power supply unit) > Motherboard > power to all components in the computer.
Uninterrupted Power Supply (UPS) is a device that being used to secure the stability of power supply for the protected equipments (which are mostly IT equipments like computers and servers). If there has no UPS, sudden fluctuations of the utility power (so called raw power) will affect the business operation.