Gujarat University 2009-2nd Year B.C.A Computer Application System Analysis and Design - Question Paper

Instructions

Draw diagrams wherever required

Write new question on new page.

All the questions are compulsory.

Figures to the right indicate marks.

1

Give the difference between (any four)

14

(a)

Operational and test enviornment

(b)

Reasponse time , Turn around time

(c)

Corrective and adaptive maintenance

(d)

Syatem documentation and operations documentation

(e)

Super class, class, subclass

(f)

Fat clent, Thin client

2

Answer the following .

14

(A)

Attempt (any two).

10

1

Define 2NF. Explain it by giving an appropriate example.

2

Explain all different types of relationships in database tables?

3

Explain role fo each of the main participants in JAD.

4

List five input-devices and write their main functons.

(B)

Attempt (any one).

4

1

Explain different types of information delivery methods.

2

What is meant by fact-finding? Write any two fact-finding methods.

3

Answer the following (any seven).

14

(A)

Answer the following (any two).

8

1

Define black hole process, gray hole process and spontaneous generation process along with an example.

2

Explain the role of context diagram anf DFD in development of a system.

3

How is data element documented in the data dictionary? Explain.

(B)

Answer the following (any two).

6

1

Explain on-line processing, batch processing and combination of both the processing.

2

Write in brief about any one structure development tool.

3

What is network topology? Explain advantages and disadvantages of bus topology along with the diagram.

4

Answer the following.

14

(A)

Attempt (any three).

9

1

Explain reasons, for which it may be decide to go for the inhouse development of a software.

2

Discuss any two internal and two external factors that affect the IT systems projects.

3

List steps in the preliminary investigation. Explain the step "Define the project scope and constraints."

4

Explain the necessity to fill upthe system request form. Which details should be included in SRF?

(B)

Define the following (any five)

5

1

Technical feasibility

2

Intengible benefits

3

Vertical system

4

On-line Transaction processing

5

Cohesion

6

Candidate key

7

Coupling

5

Write short notes on (any four)

14

1

Activity diagrams

2

Self-checking and alphabetic codes.

3

Encapsulation and polymorphism

4

Use case diagram

5

Decision tree.

6

SDLC