power regulations, PWM, phases, mosfets

[WhiteFireDragon]

1) what is the PWM on the mobo?

2) how does the number of phases in the PWM matter? is it for better voltage regulations?

3) how does PWM differ from mosfets?

4) what is the advantage of digital PWM of analogue PWM?

 

[WhiteFireDragon]

so does ANYONE even care about these specs on their mobos? or is it one of the more advance specs people overlook?