BCA Semester 3 – System Analysis and Design – Unit 3: Analysis (13Hrs)

Elaborate on the steps in feasibility of analysis.

Why is it difficult to determine user requirement? Illustrate the key strategies for eliciting information about user requirement.

Differentiate between questionnaire and interview survey.

Draw context diagram, Data flow Diagram up to level-2 of food ordering system of Bakery Cafe Jawlakhel - Lalitpur.

How can you transform E-R diagram into relation? Explain with suitable examples. A bank has the following policy on deposits of Rs 50,000/- and above for five years - the interest rate is 15%. On the same deposit for period less than 5 years it is 12%. On the deposit below Rs 50,000/- the interest rate is 10% regardless of period and deposit. Write the above process using:a. Decision Tableb. Decision Tree

Define Process Modeling. Explain DFD with example.

What different skills do you need to be a good system analyst?

What is information gathering? Discuss questionnaire along with its merits and demerits.

Why we draw DFD? Explain the process of drawing DFD using suitable example.

List rules for diagramming DFDs. Draw a context diagram and expand it to top levellogical DFD for Student Enrollment System. The enrollment process works as follows.

• Students send in an application form containing their personal details and theirdesired course.
• The university cheeks that the course is available and that the student hasnecessary academic qualifications.
• If the course is available, the student is enrolled in the course, and the university confirms the enrollment by sending a confirmation letter that they are registered for the course.
• If the course is unavailable, the student is sent a rejection letter.

Explain various interactive methods with example of each.

What is system requirement analysis? Write and explain different types for determining system requirements.

Define JAD? List out different contemporary requirements determining techniques and explain them in comprehensive way.

What is process modeling? Why do we need DFD? Draw up to top level DFD for Online hotel room booking system.