Roll
No.
Total
No. of Questions : 07
B.Sc. (IT) (Sem.–3rd)
SYSTEM ANALYSIS AND DESIGN
Subject Code : BS-207
Paper ID : [B0412]
Time
: 3 Hrs.
INSTRUCTION
TO CANDIDATES :
1. Section –A,
is Compulsory.
2. Attempt any
four questions from Section-B.
Section –A
Q.1.Discus
the following:-
(a) Distinguish between Physical &
Abstract Systems.
(b) How important is informal information
system analysis.
(c) In which terms a system is said to be a
successful system.
(d) What is an audit trial?
(e) What is top down approach? Give at
least one example.
(f) What do you mean by Maintainability and
Portability in terms of software quality
(g) What is the objective of testing?
(h) Define static modelling.
(i) Distinguish between initial
investigation & feasibility study.
(j) What is normalization? Why it is
important?
Section-B
Q.2.
(a) Write in brief about various elements of a system.
(b) Explain all the inter-related types of
feasibility studies.
Q.3.
Describe the process of design. Also discus Logical& physical design.
Q.4. (a) what
is Prototyping. Explain briefly steps involved in proto-typing process.
(b) What are the data flow diagrams? How do
they difer from structure charts.
Q.5. What is
maintenance? Discus different types of maintenance and why maintenance is
important?
Q.6.
(a) Why do we test systems? How important is testing Discus?
(b) What is the need for modelling?
Q.7.
(a) Give the use of UML state diagram.
(b) What do you mean by threat and risk
analysis in information system?
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