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Pune University - Pune University - FY BSc COMPUTER SCIENCE (Paper - II), April 2010 (Old Course)

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Total No. of Questions : 5] [Total No. of Printed Pages : 4 [3718]-52 F. Y. B. Sc. (Computer Science) Examination - 2010 COMPUTER SCIENCE PAPER - II INTRODUCTION TO PROGRAMMING AND PROGRAMMING IN C (Old 2004 Pattern) Time : 3 Hours] [Max. Marks : 80 Instructions : (1) All questions are compulsory. (2) Figures to the right indicate full marks. (3) Neat diagrams must be drawn wherever necessary. Q.1) Answer the following : (Any Ten) (1) [1x10=10] (2) What is the difference between Machine and Assembly Languages ? What do you mean by Keywords ? List any two Keywords. (3) Give purpose and syntax of Enumeration Constant. (4) What is the difference between getch( ) and getche( ) functions ? (5) What will be the value of b and c variables for execution of the following code : int a = 5; b = ++a; (6) c = a ; What is the role of break and continue statements in C Language ? (7) State difference between Actual and Formal Parameters. (8) Explain purpose and syntax of malloc( ) function. (9) What is the use of tolower( ) and toupper( ) functions ? (10) Explain how memory utilization happens in Union ? (11) Explain any two functions available in math.h file. (12) Give Syntax and example for drawing a Line. [3718]-52 1 P.T.O. Q.2) Answer the following : (Any Four) [5x4=20] (a) What is meant by Pointer ? Explain Arithmetic Operations with Pointer Variables. (b) What is the difference between if-else and switch statements ? Explain their use in detail. (c) Define Recursion. Write a recursive function for finding factorial of a given number. (d) What is the Scope of Variables ? Explain any two storage classes in detail. (e) Explain in detail structure within structure by giving proper example. Q.3) Answer the following : (Any Four) [5x4=20] (a) Write an algorithm and draw a flowchart to print sum of digits of a given number. (Ex. 579 21) (b) Find and justify output of the following program : #include <stdio.h> main( ) { int lno, count, a = 1, n = 4; for (lno = 1; lno < = n; lno++) { for (count = 1; count < = lno; count++) { printf( %d \ t , a); a++; } printf( \n ); } } [3718]-52 2 Contd. (c) (d) (e) [3718]-52 Complete program by writting proper function definitions : #include <stdio.h> main( ) { int n, s, c; printf( Enter a number : ); scanf( %d , & n); s = sqr(n); c = cube(n); printf( \n square of number is %d , s); printf( \n cube of number is %d , c); } Find output of each code by using the given values : a = 1101 b = 0111 printf( \n %d , a & b); printf( \n %d , a|b); printf( \n %d , a b); printf( \n %d , a<<3); printf( \n %d , ~ a); Find and justify output of the following program : #include <stdio.h> #include <string.h> main( ) { char s1[40] = Hello ! ; char s2[ ] = How are you ? ; int a, i; strcat (s1, s2); a = strlen(s1) i = 0, while (i < a) { printf( %c , s1[i]); i++; } } 3 P.T.O.

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Additional Info : F.Y. B.Sc. COMPUTER SCIENCE (Paper - II) : Introduction to Programming and ‘C’ Programming (Old 2004 Pattern), Pune University
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