public void RequestUpdate(SystemView view)
 {
     if (_model != null)
     {
         _model.UpdateModel(_view.Ram, _view.Disk, _view.CpuSpeed);
     }
 }
 public void RemoveObserver(SystemView view)
 {
     views.Remove(view);
 }
 public void AddObserver(SystemView view)
 {
     views.Add(view);
 }
 public SystemController(SystemModel model, SystemView view)
 {
     _model = model;
     _view = view;
 }