$($ii$)$ A digital diary mobile application is to be developed for deployment with few basic features to maintain events and alerts and integrating it with the contact information and the calendar. For each event and alert uploading of necessary information is to be provided for reference. As a next phase of deployment the application could be added with features to transfer the archived data regarding event and alerts periodically into cloud. With proper justification provide a suitable process model that could suffice the stated requirements.