West Bengal Institute of Technology (WBIT) 2010-2nd Sem B.C.A Computer Application - 202 Information Systems Analysis & Design - Question Paper
Name.....................................................................
Roll No. :............................................................
Invigilator's Signature :.......................'........................
CS/BCA/SEM-2/BCA-202/2010
2010 INFORMATION SYSTEM ANALYSIS & DESIGN
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate fidl marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP-A ( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following : 10 x 1 = 10
i) < RAD model was proposed by
a) Lucent Technology b) IBM
c) Del Corporation d) none of these.
ii) Which is not an S/W life cycle.model ?
a) Waterfall model b) Spiral model
c) Cocomo model d) Prototyping model.
iii) SRS stands for
a) - Software Requirement Specification
b) System Requirement Specification
c) System Rectification Standard
d) none of these.
iv) Interview is the part of a) design
c) implementation
v) Structure English is a
b) testing d) all of these.
j-*-- ' ' r. .I. /
b) use for testing x d) none of these.
a) coding technique
c) design tool
vi) Requirement analysis includes . a) fact gathering
b) understanding of requirement
c) requirement documentation
d) all of these .
vii) Waterfall model is not suitable for
a) small project .
b) complex project *
c) accommodating change
d) none of these.
viii) Data dictionary keeps details of the contents of a) dataflows b) data stores
, c) both (a) & (b) d) neither (a) nor (b).
ix) Validation testing is called
a) Beta, test b) Alpha test
c) Gamma test d) Acceptance test.
x) Alpha test is done by
a) Tester b) Customer
GROUP -B (Short Answer Type Questions )
Answer any three of the following. 3x5=15
Define System with an example. What is sub-system ?
' ' - ' ' ' . f.
3.
4.
5.
6.
7.
8.
9.
Name the different types of system.
Explain DFD andER-diagram with example.
What is system testing and prototyping ?
What is meant by user-interface design ?
GROUP-C ( Long Answer Type Questions )
Answer any three of the following. 3 x 15 = 45
. \ - ' '
a) Explain DSS.
b) Compare between SDLC and Waterfall model. 8 + 7
, * t '
a) What are the important elements of a system ?
b) What is a spiral model ? State its advantages. 7 + 5 + 3
" , . (
a) What isf DFD ? Discuss different symbols used in DFD. Explain generalization and specialization.
c) Draw the E-R diagram showing the cardinality for the following problem :
A store has different counters managed by different
- ' - ' . t, employees. A counter has different items but no two
counters have common items. Customer buys from
different counters. Bills are prepared from bill counter
only. 4 + 5 + 6
10. a) What is post-implementation review ? Explain.
b) Why is system training necessary to implement a new . system. ?
c) What is the difference between logical an(| physical designs ? 6 + 5 + 4
11. a) Define Pseudo code with example.
b) State the merits and demerits of decision table.
c) State the general guidelines for writing structure English procedure. 5 + 5 + 5
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