IGNOU Test Papers - CS03 File Structure and Programming in Cobol - June 2005

PGDCA / MCA (I Yr) / BCA
Term-End Examination

June, 2005

CS03 : File Structure and Programming in Cobol

Time: 2 hours
Maximum Marks: 60

Note : Question number 1 is compulsory. Attempt any three questions from the rest.

1. (a) What is the purpose of an IF statement in COBOL ? Write the general format for class, compound and condition-name condltions. Give an example for each. (4)

(b) Write the use of the following COBOL verbs with the help of one example each : (6)
(i) WRITE (ii) USAGE (iii) GO TO

77  A  PIC    9(4)               VALUE 1921
77  B  PIC    9(2) v 9(2)      VALUE 12.12
77  C  PIC    999 v 9(2)       VALUE 248.44
77  D  PIC    9(2) v 99         VALUE 28.8

What will the contents of A, B, C, D be after the execution of each of the following statements? (5)
(i) ADD A, B, C GIVING D ROUNDED
(ii) COMPUTE Y = A**Y + (D + C)*2
(iii) COMPUTE Z = (C - B)*3 - (A- D)
(iv) COMPUTE B INTO D GIVING A ROUNDED
(v) MULTIPLY D BY 13 GIVING B ROUNDED ON SIZE ERROR MOVE 10 TO D

(d) The University Administrative Block contains the following information in a table :
(i) Registration Number
(ii) Course Code
(iii) Student's Name
(iv) Student's Marks in 5 subjects for 6 semesters
(v) Student's Grade
Create the data division for the processing of thuis data. (5)

(e) Write the general formats for "STRING" and "UNSTRING" statements. A field named NAME contains 50 characters. Write a COBOL statement to change all instances of "SHRI" by "MR" and "SMT" by "MS". (5)

(f) How are READ and WRITE statements used in relative file organization ? Write all the different formats of READ and WRITE. (5)

Write a program in COBOL for the Central Library to read data in the following format :
1-5 Book Code
6 - 25 Title
26 - 30 Price
31 - 40 Publication
41 - 50 ISBN
51 - 55 Category
56 - 60 Edition
60 - 65 Month of procuring
The program should ensure that :
(i) Book Code is within the range 00001 to 19999
(ii) Price is a positive number
(iii) Title is not blank
(iv) ISBN should contain only numbers
AIso calculate the money spent in a given month for the procurement of books. (10)

3. (a) A Sports Club maintains the following master file for the major items used in sports :

Item Code	6 characters
item Name	20 characters
Supplier Code	6 characters
Price	8 decimal digits
Number of ltems	6 decimal digits

The transaction file records the following data :

Item Code	6 characters
Received/issued	1 character
Date of transaction	8 characters

Write a progam in COBOL to update the number of items in the moster file using the transaction file. (10)

4. A manufacturing organization has employed permanent persons on a fixed scale, and temporary workers are paid on an hourly basis. Write a program to calculate the monthly payment for both temporary and permanent employees. (10)

5. Explain the use of the following COBOL verbs/statements with the help of one example each: (10)
(a) FILLER
(b) PERFORM
(c) SYNCHRONIZED
(d) SUBTRACT
(e) REWRITE

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