Annamalai University 2010-1st Year B.Sc Mathematics - .- Maths - - Ancillary - Computer science - I - Question Paper

B.Sc. DEGREE EXAMINATION, 2010
( MATHEMATICS )
( 1st YEAR )
( PART - III - B : ANCILLARY )
540. COMPUTER SCIENCE - I
May ] [ Time : three Hours
Maximum : 75 Marks
ans any 5 questions, choosing not more than 3 from any part.
All ques. carry equal marks.
part - A
(PROGRAMMING IN BASIC)
1. (a) How are computer languages classified ?
(b) explain the functions of the components of a digital computer.
2. (a) Mention the uses of drawing flowcharts and state the guidelines to drawing it.
(b) Draw a flowchart to obtain the roots of the quadratic formula
ax2 + bx + c = 0, where a ? 0.
3. (a) How do you use the IF ....... THEN statement in BASIC ?
(b) Write a program in BASIC to do the subsequent :
S = one + three + five + seven + ..... + 99.
4. (a) discuss the usage of GOSUB statement.
(b) Write a program in BASIC to multiply 2 matrices of order ( three × three ).
part - B
( PROGRAMMING IN COBOL )
5. elaborate the Edit characters to be used for numeric and non-numeric data ? discuss with
examples.
6. How is IF sentence used in COBOL? explain the rules to be followed in the nesting of IF statement.
7. Write a program in COBOL to organize a set of numbers in ascending order.
8. Write a program in COBOL to merge 2 files. ( presume the data)

Earning:   Approval pending.