How many connectors linked your original power supply to the motherboard?
Depends on the motherboard some use two connectors from the power supply to MB> some use one.
What technology would When a computer is being built which three components must have the same form factor?
The case, motherboard, and power supply must all be the same form factor. Obviously the motherboard and the case would have to be the same or the motherboard would never fit in the case. Then the power supply must not only fit in the case, but have the same connectors as the motherboard. Otherwise it won't work.
If you are refering to the 20 or 24 pin molex connector, this is the motherboard power distribution subsystem from the power supply. If you are refering to the several other small connectors, they have various functions. Front panel indicators and switchs, USB distribution connectors, fans, CD audio, etc.
A: The IDE (Integrated drive Electronics) or EIDE (Enhance IDE) connectors that work as an interface between the motherboard and the hard drive and some other divices that work with this kind of connectors, like the CD-ROM Drive. The other type of cable is the power cord, Which supply power (DC) from the Power supply to supply power to the motherboard and the decvices installed in the computer.
The SATA connector on a power supply is to supply power to SATA-based hard drives. It is not to be confused with the ATX plug that is to give extra power to the CPU, nor the PCI-e power connectors that give extra power to certain video cards. It is unexpected to find a SATA style connector on the motherboard.