West Bengal Institute of Technology (WBIT) 2008 B.C.A Computer Application INFORMATION SYSTEM ANALYSIS & DESIGN (ISAD) (-202) - Question Paper

INFORMATION SYSTEM ANALYSIS & DESIGN ( SEMESTER - 2 )

CS / BCA/SEM-2/BCA-202 / 08

1.................................

Signature of Invigilator

2..................................... Reg. No.

Signature of the Officer-in-Charge

Roll No. of the Candidate

CS/BCA/SEM-2/BCA-202/08

ENGINEERING & MANAGEMENT EXAMINATIONS, JUNE - 2008

INFORMATION SYSTEM ANALYSIS & DESIGN ( SEMESTER - 2 )

Time : 3 Hours ]    [ Full Marks : 70

INSTRUCTIONS TO THE CANDIDATES :

1.    This Booklet is a Question-cum-Answer Booklet. The Booklet consists of 32 pages. First page of the Booklet shows Instructions to the Candidates. The questions of this concerned subject commence from Page No. 3.

2.    a) In Group - A, Questions are of Multiple Choice type. You have to write the correct choice

in the box provided against each question.

b) For Groups - B & C you have to answer the q uestions in the space provided marked Answer Sheet'. Questions of Group - B are Short answer type. Questions of Group - C are Long answer type. Write on both sides of the paper.

3.    Fill in your Roll No. in the box provided as in your Admit Card before answering the q uestions.

4.    Read the instructions given inside carefully before answering.

5.    You should not forget to write the corresponding question numbers while answering.

6.    Do not write your name or put any special mark in the booklet that may disclose your identity, which will render you liable to disqualification. Any candidate found copying will be subject to Disciplinary Action under the relevant rules.

7.    Use of Mobile Phone, Calculator or Log table is totally prohibited in the examination hall.

8.    You should return the booklet to the invigilator at the end of the examination and should not take any page of this booklet with you outside the examination hall, which will lead to disqualification.

9.    Rough work, if necessary is to be done in this booklet only and cross it through.

No additional sheets are to be used and no loose paper will be provided

FOR OFFICE USE / EVALUATION ONLY

Marks Obtained Group - A    Group - B Group - C

Question Number

Total Marks

Examiner's Signature

Marks Obtained

Head-Examiner/ Co-Ordinator/Scrutineer

2

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ENGINEERING & MANAGEMENT EXAMINATIONS, JUNE - 2008

INFORMATION SYSTEM ANALYSIS & DESIGN

SEMESTER - 2

Time : 3 Hours ]    [ Full Marks : 70

GROUP -A ( Multiple Choice Type Questions )

1. Choose the correct alternatives for the following :    10 <*> 1 = 10

i)    A Feasibility study should focus on

a) Operational feasibility    b) Technical feasibility

c) Economic feasibility    d) All of these.

ii)    Cost-Benefit analysis

a)    compares the cost with the benefits, of introducing a Computer based system

b)    estimates the hardware and software costs

c)    evaluates the tangible and non-tangible factors

d)    all of these.

iii)    The outcome of the analysis of SDLC phase is

a)    preparation of Program Specification Document

b)    preparation of file layout and Screen Design Document

c)    preparation of 'pseudo codes'

d)    none of these.

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iv) In which software, development problem solving stages are the results delivered ?

a) Status quo    b) Problem definition

c) Technical development    d) Solution integration.

v) A system can be defined as the

a)    orderly grouping of independent components not linked together according to a plan to achieve a specific objective.

b)    orderly grouping of independent components linked together according to a plan to achieve a specific objective.

c)    orderly grouping of dependent components linked together according to a plan to achieve a specific objective.

d)    orderly grouping of interdependent components linked together according to a plan to achieve a specific objective.

vi)    Which of the following statements are true ?

a)    In a system the central objective is of prime importance.

b)    BCNF is stronger than the 3NF.

c)    Feasibility study is not required in the system development life cycle.

d)    In system development life cycle testing is done before the design phase.

vii)    Economic feasibility is also known as

a) Cost benefit analysis    b) Demand supply analysis

c) Both (a) and (b)    d) None of these.

viii)    The most important feature of Spiral model is

a) Quality Management    b) Maintenance

c) Risk Assessment    d) None of these.

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ix)    SRS stands for

a)    Software Requirement Specification

b)    System Requirement Specification

c)    System Rectification Standard

d)    None of these.

x)    BCNF is a type of

a) Indexing    b) DFD

c) Normalisation    d) None of these.

GROUP -B ( Short Answer Type Questions )

Answer any three of the following.    3 <*> 5 = 15

2. Discuss the different Project Management Activities.

3.	What is System Analysis ? What are the roles of a System Analyst ?
4.	What are Cohesion and Coupling ?
5.	What is data dictionary ? Why is it needed ?
6.	What are super key and candidate key ?
		GROUP - C
		( Long Answer Type Questions )
		Answer any three of the following.	3 15 = 45
7.	a)	What are the important elements of a System ?	5
	b)	What is Transitive Dependency ? Illustrate with examples.	5
	c)	What is the difference between First and Third Normal Forms ?	5
8.	a)	What factors must be considered prior to system selection ?	5
	b)	What is the difference between Unit Testing and System Testing ?	5
	c)	What is post-implementation review ? Explain.	5

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9.    a)    What do you mean by normalization ?

b)    Define primary key and foreign key with examples.

c)    Explain 1st NF, 2nd NF & 3rd NF with example.

10.    a)    What is DFD ? Discuss different symbols used in DFD.

b)    Differentiate between Logical DFD & Physical DFD.

c)    Draw a Physical DFD for a Payroll System of any Organization.

d)    Draw a DFT for a Quiz Software.

11.    a)    Distinguish between software verification and software validation.

b) The discount policy has following conditions for the customers. If customers is from the 'book stores' :

Get a trade discount of 25% if orders for 6 or more copies per book title.

If customer is from 'Libraries and individuals' :

5% allowed on order of 6 - 19 copies per book title 10% on orders for 20 copies per book title and 15% on orders for 50 copies or per book title.

Develop a process description in

i) Structured English

ii) Decision Table

iii) Decision Tree.

II-222455 (2)

Attachment: west-bengal-institute-of-technology--wbit--2008-b-c-a-computer-application-51888-1.pdf

Earning:   Approval pending.