Annamalai University 2011-1st Year B.Sc Mathematics , ( ) ( ) ( Part - III ) ( Group : B - Ancillary ) 540Computer Science - I - Question Paper
B.Sc.Degree Examination, 2011
( Mathematics)
( 1st Year )
( Part - III )
( Group : B - Ancillary )
540. Computer Science - I
( Candidates joined during 2009-10 and before )
Register Number :
Name of the Candidate :
(MATHEMATICS)
(FIRST YEAR)
( PART - III)
(GROUP: B - ANCILLARY)
540. COMPUTER SCIENCE - I ( Candidates joined during 2009-10 and before ) May ] [ Time : 3 Hours
Maximum : 75 Marks
Answer any FIVE questions, choosing not more than THREE from each Section.
All questions carry equal marks.
( 5x15=75)
SECTION-A
(PROGRAMMING IN BASIC)
1. (a) Explain :
(i) Arithmetic unit.
(ii) Control unit.
(iii) Processing unit.
(b) Describe the steps that are essential for solving a problem using a computer.
2. (a) List the four steps of looping process.
(b) Distinguish between STOP and END statement.
3. (a) Explain ON-GOTO statement.
(b) Write a program to find the sum of n natural numbers.
4. (a) Explain subroutine function.
(b) Write a program to find the value of n!
n ( n - y) ! using a subroutine to find the factorial of a number.
SECTION - B
(PROGRAMING IN COBOL )
5. (a) Explain data name and figurative constants.
(b) Classify the different categories of COBOL statements.
6. (a) Describe the purpose of the depending
phrase in the OCCURS clause.
(b) Explain the use of GOTO........DEPENDING
on statement in COBOL.
7. (a) Write a program to merge two mark files
using Register Number as key field.
(b) Define ACCEPT and DISPLAY statement.
8. (a) Write a program which displays the total
numbers of records of each type in the file.
(b) Explain the purpose and usage of SET and SEARCH verbs with suitable examples.
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