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Posted By: kishore Member Level: Gold Posted Date: 24 May 2008
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2007 Jawaharlal Nehru Technological University M.C.A Computer Aplications BUSINESS DATA PROCESSING SYSTEMS Question paper
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1.a) What is a data name? How is it different from a litocal? Indicate
whether a data name may be called an identifier?
b) Discuss briefly about batch processing system capabilities.
2.a) Why don’t we need the RELATIVE KEY clause in the SELECT
statement when we are reading and print a relative file.
b) What are the advantages of relative file organization?
3.a) Write the purpose and syntax of environment division with all
sections.
b) Explain about code characters which are used with PICTURE
clause.
4.a) What is the order of precedence?
b) Explain how ROUNDED option works.
c) When should we use ON SIZE ERROR option?
d) Discuss the purpose of the NOT ON SIZE ERROR option.
5.a) Explain about sequence central verbs.
b) Explain about input and output verbs used in procedure division.
6. Write a COBOL program to merge two unsorted files based on the
total marks of students in two semester examinations (1st semester
5 subjects, 2nd semester 5 subjects).
7.a) What are the differences among a subscript, an index and an index
data item?
b) Write the procedure division statements for indexed files.
8. Explain ‘Report generation’ features of COBOL with examples.
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