System Analysis and Design 2066

Tribhuwan University
Institute of Science and Technology
2066
Bachelor Level / Fourth Semester / Science
Computer Science and Information Technology ( CSC-252 )
( System Analysis and Design )
Full Marks: 60
Pass Marks: 24
Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.

Group A

Long Answer Questions:

Attempt Any Two:                                                                                                    (2x10=20)

1.  What do you mean by system analysis? Explain the system development life cycle with example.

10 marks view

2.  Draw a DFD diagram of following up to level 2.

Customer sends enquiry to commercial department, receives quotations from the sales department and places an order. Based on the customer order, the work order is sent to the planning department for planning scheduling and control, in turn, the planning department raises a job order on the "shop floor". On completion, delivery note and invoice are made out costing department also prepares an orderwise comparative statement of estimated and actual costs.

10 marks view

3.  How can you transform E-R diagram into relations? Explain with suitable example.

10 marks view

Group B

Short Answer Questions:

Attempt Any Eight:                                                                                                  (8x5=40)

4.  What are the system analyst and design tools?

5 marks view

5.  Design the E-R diagram of the following.

a)   Customer with draws money from his account.

b)   Student attends classes.

5 marks view

6.  Explain the data dictionaries with example.

5 marks view

7.  Explain the cost-benefit analysis with example.

5 marks view

8.  What is the difference between a 2 NF and 3NF relations?

5 marks view

9.  What do you mean by file organization?

5 marks view