systems architecture is used to make a system with a large work or a somewhat more complicated. If the software is not very complicated, so do not need the systems architecture of the system.systems architecture is capable of making software. Knowledge of the hardware. And the use of different languages in programming.
In my opinion, the systems architecture of the system, which has a lot to do, but very complicated. Need a good team and are competent enough.In a large system, and also requires discipline and punctuality to work, responsibility, punctuality.