B.C.A. (Semester II) (CBCS) Examination Mar/Apr-2018
SOFTWARE ENGINEERING
Time: 2½ Hours
Max. Marks: 70
Instructions: All questions are compulsory. Figures to the right place indicate full marks.
Q.1

Choose correct alternatives:
10
Data Dictionary is also called as
Catalog
Central repository
Both a b
None of the above.
A television is an example of system.
Deterministic
Probabilistic
Open
Closed
Which of the following model of SDLC based on risk analysis of the proposed system?
Waterfall
Spiral
Prototyping
None of these
Which of the following is not type of decision table?
Limited-Entry
Extended-Entry
Mixed-Entry
Double-Entry
History files, transaction reports are updated by
TPS
MIS
DSS
EIS
Radius of spiral model represents
Total cost incurred
Future risk
Entity
Attributes
are sometimes also referred as 'Bubble Diagram'.
Flowchart
ER diagram
Decision Table
DFD
is an agreement between system developer and end user.
Requirement specification
Requirement Investigation
Both a and b
None of these
Design phase will usually be
Top-down
Bottom-up
Random
None of these
10) ensures an internal consistency of data, retrievals, maintenances, and stability.
DFD
ERD
Normalization
None of these
Page 2 of 2
SLR- SR-8
Q.1

State the following statement True or False:-
04
First level DFD contains single process.
Extended entry decision table contains N or blank entries.
Record review is performed at the beginning of proposed system.
If the system is in routine in nature then it gives negative feedback.
Q.2
Answer any Seven of the following:-
14
What is physical and abstract system?
What are the guidelines for drawing DFD?
What is Software engineering? Write its primary goal.
What is Expert System?
Define Decision Tree.
Write the difference between structured and unstructured interview.
Draw program flowchart to find minimum number between two numbers.
What is file?
What is feedback?
Q.3
Write the Answer of the following questions:- (Any Two)
10
Design any 3 input screens for 'Library System'.
What is System? Explain different elements of system.
Construct System flowchart for opening 'Fixed Deposit' account.
Who is System Analyst? Explain its role as motivator' organizer'.
04
Q.4
Answer any two of the following:-
14
Explain Waterfall Model of SDLC.
Define the term Entity, Attribute and Relationships with example.
Construct decision tree and limited entry decision table for following case study:-
ABC Company limited decide to give Diwali bonus to all employees, for that management divides employees into 3 categories namely- Administrative staff Office Staff and Workers by using following rules:-
If employee is permanent and in AS category then bonus amount is THREE month salary.
If employee is permanent and in OS category then bonus amount is TWO month salary.
If employee is permanent and in W category then bonus amount is ONE month salary.
If employee is temporary then bonus amount is HALF corresponding to each category.
Q.5
Answer any two of the following:-
14
Draw the first level DFD for 'Mark SheeT Printing System'.
What is Normalization? Explain up to 3NF.
What is Decision table? Explain its types with example.