Bsc CSIT Semester 5 – System Analysis and Design – Unit 3. Analysis

What do you mean by balancing DFDs? Draw context diagram and data flow online movie rental system that allows its users to watch movies online.

List traditional methods for determining system requirements. Explain the advantages and pitfalls of observing workers to determine system requirements.

Draw ER diagram to store data about students, programs, and courses at your college.

Draw a reduced decision table for the following scenario: An applicant has to fill up the form to participate in a music competition. The applicant’s age should be greater than 18 years and nationality has to be Nepalese for being selected for the competition. The applicant will be provided a registration number after paying Rs. 5000 as an entry fee. The applicant has to play an instrument for three minutes else will be disqualified. The experts will provide points on the basis of some criteria. The applicant having the highest point will be declared winner and will get a cash prize of Rs. 1,00,000 and all the qualified applicants will get a gift hamper.

Explain how disruptive technologies can be used in determining requirement.

Difference between process modeling and data modeling. How do you think data modeling play an important role?

Compare and contrast between observation and document analysis while requirement determination. Explain radical methods for determining the requirements.

Draw DFD for the following scenario: A patient after registration in the online pathology system will get login credentials. After the valid login the patient upon entering the details of test to be conducted will get the test date and time. The patient can also pay online. The patient can download the test report from the system after notification. The patient will also get schedule for doctor visit if required and in that case the report will also be emailed to the doctor.