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1sPCD13

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First Semester B.E" Degree Examination, Programming in G ad Data Stnuctures Tirne: 3 hrs.

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Max. Marks: 80

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Note: Answer any FIVE full questions, choosing one full question from each module.

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a.Whatisvariable?Explaintherules.,.ffivariablesinClanguage'Giveexampies for valid and invalid variables. Evaluate the following expressions : i) 100% 20 <: 20 - 5 + l00oh l0*20: : 5 > : 1 !: 20 ii) a+: b *: c-: 5 where a: 3 b : 5 and c : 8. Write a C program to find the area and perimeter of a rectangle.

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(05 Marks)

Module-2

Explain the syntax of do-while statement. Write a C program to find the factorial of a (08 &Iarks) number using do-while, where the number n is entered by user. What is two way selection statement? Explain if, if else, and cascaded if-else with examples. (08 Marks)

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What is value of "x" in following code segments? Justifiz your answel's: i)inta,b; ii) int a, b ; float x ; float x;

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result. Convert the following mathematicalexpression into C expressions

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OR Write a C program which takes as input p, t, r. Compute the simple interest and display the

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(06 Marks)

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OR Write a C program that takes from user an arithmetic operator ('*', '-','*' or '/') and two operands. Perform the corresponding arithmetic operation on the operands using srvitch

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What is an array? How to declare and initialize the two dimensional

ar:ray?

(08 Marks) (08 Marks)

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Module-3 What is a function? Write a C program to find the cube of a number using function. (05 Marks)

Write a C program to check a number is a prime or not using recursion. (05 Marks) Write a program to replace each constant in a string with the next one except letter "z' 'Z' oa', 'A'. and Thus the string "programming in C is fun" should be modified as "Qsphsannjoh jo D jt gvo" (06 Marks) l of 2

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6 a. b.

OR Write a C program to sort the elements by passing affay as function argument. (08 Marks) Write a C program to concatenate two strings without using built - in function strcat( ).

Module-4

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using pointer. What is stack? Explain its operations with examples.

oR. Write a C program to swap two numbers using call by address. Explain any five preprocessor diregtives in C. What are primitive and non-primitive data types? Explain with examples.

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Module-5 What is a pointer? Write a C program to find the sum and mean of ail elements in an affay

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structure. Explain fputc( ) , fputs( ), fgetc( )and fgets( ) functions with syntax.

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Write a C program to store and print name, USN, subject and IA marks of students using

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What is structure? Explain the C syntax of structure declaration with example. Write a C program to pass structure variable as function argument. Explain fopen( ) and fclose( ) functions.

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(08 Marks)

2 of2

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(08 Marks) (08 Marks)

(06 Marks) (05 Marks) (05 Marks)