Paper - COMPUTERSCIENCE 1MCA2 : computer ... - Surana college

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I Semester M.C,A. Degree Examination, FebruarylNlarch 2011
(Y2K5 Scheme)
COMPUTERSCIENCE
1MCA2 : computer Programming and Problem solving
Time : 3 Hours
Max. Marks : g0
Instruction : Answer any ftve questions choosircg atleast two from each
Part.
PART _ A
1. a) Explain the salient features of C-language. 8
b) Explain the general structure of a c-program with an example. I
2. a) Discuss formatted and unformatted I/O functions supported by C-language
with suitable examples.
b) Give an account of type conversion in C with suitable illustrative program. I
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3. a) Explain decision making and branching statements in C with their general
syntax.
b) Write a C-program to find out the largest and the second largest of three
numbers.
4. a) Develop an algorithm to find the sum of the digits a number till the sum
reduces to a single digit.
b) What is a flowchart ? Discuss the symbol used. Draw a flowchart to find the
sum of the first n natural numbers.
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PART _ B
5. a) What is a function ? List the advantages offered by functions.
b) Write a C-program to find the sum of the digits of an integer using a recursive
function.
P.T.O.

PG - 481
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6. a) Explain the need for arrays. Write a C-program to search for a value in a list
of values.
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b) Explain the procedure of sorting atable of,values.rswwise implement it in C. 8
7 , t) Explain'the concept of array of sf+retr*res- Give"an example pregram to
illusffateit. 8
b) Justify that array of pointers to strings optimizes memory space usage.Write
a C-program to sort a list of strings using array of pointers to strings. 8
8. Write short notes on : (4x4=16)
a) Bitwise operators
b) Storage classes
c) Command line arguments
, d) TextfileV/sbinaryfile.