SECTION I
Q-1. Draw the decision table, Identify conditions, action and its solution for the following example. [9]
Bookstores get a trade discount of 25 % for orders from libraries and individuals, 5 % allowed on orders of 6-19 copies per book title,10 % on orders of 20 -49 copies per book title, 15% on orders of 50 or more copies
per book title.
Q-2. What are different approaches to development of computer information system? Explain in details with
appropriate example. [8]
OR
Q-2 What is data dictionary? Why is it important in system analysis and design?
Q-3. What are different CASE tools? Explain in detail the use of tools. [8]
OR
Q-3 Explain following terms (Any four)
1.DFD (Data flow diagram)
2.Logical design
3.Pop-Up windows
4.Check digits
5.SDLC
6.Decision Tree
Section II
Q-4 a) Describe the PERT? What are components of PERT?[9]
b) The following table lists the major activities in the system design project, Identifies the following steps and
find critical path and duration.
ActivitiesDuration(Weeks)Preceding Activities
A. Order Computing Platform 8 -
B. Prepare Site 12 -
C. Review Specification 5 B
D. Install Equipment 12 A,C
E. Test Hardware 8 D
F. Training 8 E
G. Write Program 12 D
H. Test Program 5 E
I. Test Software 12 G,H
J. Convert System 10 I
K. Implement 8 I,F
L. Accept 5 J,K
Q-5 Discuss the six special system tests? Explain the purpose of each with example. [8]
OR
Q-5Explain the Principals of Software Design (Modularity & partitioning, Coupling, Cohesion, Span of Control,
Size, Shared Use ) Explain each.
Q-6Explain the concept of data Model? What data models are use in Management systems? [8]
OR
Q-6Explain following terms (Any four)
a). Hashing
b). Schema & Subschema
c). Control brake
d) Ergonomics
e) Coding Methods.