23-mca-or-business Data Processing Systems

OR

Code No: OR-23/MCA

MCA-II Semester Supplementary Examinations, July/Aug 2008. BUSINESS DATA PROCESSING SYSTEMS Time: 3hours

Max. Marks: 60 Answer any FIVE questions All questions carry equal marks ---

1.a) b)

What is the difference between a literal and figurative constant? How many different types of constants are there in COBOL? Explain about identification division statements in COBOL program?

2.a) b) c)

Explain how the READ/INTO statement works? What are the advantages of sequential file organization? When is relative file processing used?

3.a) b)

Differentiate between sequential files and indexed files. Describe how a random file is updated?

4.a) b)

What is the purpose of the procedure division? Define the term paragraph. How these paragraphs are related to modules? What does the WITH HO ADVANCING command do?

c) 5.a) b) c)

Describe top-dow design and modular programming? What are the advantages of structured programming? What three guidelines apply to structured programming? Why are they important?

6.a) b)

Discuss table handling features of COBOL? Write about ‘ Move Statement’ in COBOL with an example?

7.a) b)

Give the general format of a reports. Explain about string handling verbs with syntax.

8.

Write short notes on the following: a) Any Two perform statements b) Characteristics of DISK STORAGE c) DATA DIVISION. $$$