Business Data Processing 2018 – BSc Computer Science Part 2

Note: Attempt five questions. All questions carry equal marks. Question No. 7 is compulsory.

1. (a) What do you mean by business system ? Explain major business functions.

(b) What is information system ? Explain its role in management services. 4,3

2. (a) What do you mean by a project ? Explain its feasibility analysis.

(b) What do you mean by perifheral devices ? Explain various peripherial devices used in business processing. 4,3

3. What is COBOL ? Write structure of COBOL program and explain. 7

4. Explain the following COBOL features :

(i) Sorting

(ii) Merging

(iii) Updation 7

5. (a) What is DBMS ? How it differs from normal flat file system ?

(b) Explain logic model for DBMS with a neat diagram. 4,3

6. (a) Write any two DDL and DML used in relation models.

(b) What is hashing ? Explain. 4,3

Compulsory Question

7. Explain multiple key retrieval and inverted file system in detail. 5

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