Business Data Processing 2019 – BSc Computer Science Part 2

Paper code: 13517
1517
B.Sc. (Computer Science) (Part 2)
Examination, 2019
Paper No. 3.2
BUSINESS DATA PROCESSING

Time: Three Hours] [Maximum Marks: 33

Note: Attempt five questions. All questions carry equal marks. Question No. 1 is compulsory.

1. (a) Define a business system and its Environment.

    (b) What are various information system needs, explain ?

2. (a) Define the role of making personnel.

    (b) What is cost/benefit analysis, explain ?

3. (a) Define system maintenance, also write importance of its review.

    (b) Compare sequential and indexed sequential files.

4. Write a program in COBOL to add two numbers.

5. (a) What is DBMS ? How it differs from flat files ?

    (b) Compare indexed and direct access organization.

6. Explain following: 

    (i) Network Models

    (ii) Relational Models

7. (a) How can one search an element into given record ? Explain.

    (b) Compare multiple key retrieval and inverted file system.

8. Write short notes (any two)

    (i) DDL and DML

    (ii) Report writing in COBOL

    (iii) Schema and subschema

……..End……..

Thank You!