This lecture explain the use case realization for the "Process Sale" from NextGen POS.
During your semester project implemenation, Its now the best time to understand the implementation of authentication and authorization models used in most of the applicaiton. Authentication is simple but has huge impact on the context of the application. In the same manner to ensure system security authorization is used to implement role based, feature based models and even the newsly emerged SAAS based model which is somehow a combinaiton of both.
To earn PASS status, system is about to evaluate you using multiple choice questions (MCQs) and True/False type questions.