E-43: Why we establish Q point at the center of active region?

The effect of Q point establish near the saturation region, and near cut off region.
E-43: Why we establish Q point at the center of active region?
E-43: Why we establish Q point at the center of active region?
E-43: Why we establish Q point at the center of active region?

AKTU Electronics Engineering,Electronics Engineering,Basic Electronics,KOE-038,Why we establish Q point at the center of active region?,The effect of Q point establish near the saturation region,and near cut off region.,