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Description : Calculate factorial of a number using recursion.

Answer : #include #include int factorial(int no) { if(no==1) return(1); else return(no*factorial(no-1)); } void main() { intfact,no; clrscr(); printf("\n Enter number"); scanf("%d",&no); fact=factorial(no); printf("\n Factorial number=%d",fact); getch(); }

Description : Write a function to print Fibonacci series starting from 0, 1.

Answer : void Fibbo() { inta,b,c,limit,i; printf("\n Enter number:"); scanf("%d",&limit); a=0; b=1; printf("%d\t%d",a,b); for(i=0;i

Description : Write a program to sort elements of an array in ascending order.

Answer : #include #include void main() { int a[5],i,j,temp; clrscr(); printf("\n Enter array elements:"); for(i=0;i

Description : Write a program to compute the sum of all elements stored in an array using pointers.

Answer : #include #include void main() { int a[5],sum=0,i,*ptr; clrscr(); printf("\n Enter array elements:"); for(i=0;i

Description : Write a program to calculate sum of all the odd numbers between 1 to 20.

Answer : #include<stdio.h> #include<conio.h> void main() { inti,sum=0; clrscr(); for(i=1;i<=20;i++) { if(i%2!=0) { sum=sum+i; } } printf("Sum=%d",sum); getch(); }

Description : Write a program to read two strings and find whether they are equal or not.

Answer : #include<stdio.h> #include<conio.h> #include<string.h> void main() { char st1[20],st2[20]; printf( enter string 1 ); scanf( %s ,st1); printf( enter second string ); ... 0) printf( \nboth strings are equal ); else printf( \nstrings are not equal ); }

Description : Illustrate initialization of two dimensional array with example.

Answer : Two dimensional array: The array which is used to represent and store data in a tabular form is called as two dimensional array. Such type of array is specially used to represent data in a matrix form. ... where outer loop will increment row and inner loop will increment column. Eg : for(i=0;i

Description : Write a program to add, subtract, multiply and divide two numbers, accepted from user switch case.

Answer : #include<stdio.h> #include<conio.h> void main() { int a,b,ch,add,sub,mul,div; clrscr(); printf("\n1 for addition \n2 for substraction"); printf("\n3 for multiplication \ ... break; default: printf("Invalid choice...."); } getch(); }

Description : Illustrate the use of break and continue statement with example.

Answer : Break: It breaks the execution of the loop which allows exiting from any loop or switch, such that break statement skips the remaining part of current iterations of the loop.  Syntax: ... then execution control will skip remaining statements of loop & will start next iteration of loop 

Description : Write an algorithm to determine the given number is odd or even.

Answer : Step 1- Start Step 2- Read / input the number. Step 3- if n%2==0 then number is even. Step 4- else number is odd. Step 5- display the output. Step 6- Stop

Description : List the categories of functions and explain any one with example.

Answer : Different categories of function: 1) Function with no arguments and no return value. 2) Function with arguments and no return value. 3) Function with no arguments and return value. 4) Function with ... have 4 and y will have 5 as their values and s will store value returned by the function.

Description : Describe the following terms: (i) Keyword (ii) Identifier (iii) Variable (iv) Constant

Answer : (i) Keyword: Keywords are special words in C programming which have their own predefined meaning. The functions and meanings of these words cannot be altered. Some keywords in C Programming are if, while, ... or a string literal. There are enumeration constants as well. Example: 121 234 3.14 

Description : Explain nested if-else with example.

Answer : When a series of decision is required, nested if-else is used. Nesting means using one if-else construct within another one. If the condition in the outer if, is true, then only the inner if-else will get executed. ... } else { printf("Number is less than 5"); } getch(); }

Description : Write a program to declare structure student having rollno, name & marks.

Answer : Accept and display data for three students. #include #include void main() { int i; struct student{ int rollno; char name[20]; int marks; } s[3]; clrscr(); for(i=0;i

Description : State the importance of flow chart. 

Answer : A flowchart is a type of diagram that represents an algorithm. It is a visual representation of a sequence of steps to complete the process. A flow chart describes a process using symbols rather ... to communicate a module's ultimate design, depending on the level of detail of the flowchart.

Description : Draw flow chart for addition of two numbers.

Answer : flow chart for addition of two numbers.

Description : State the syntax to declare pointer variable with example.

Answer : General syntax to declare pointer. datatype *var_name; Eg: int var = 20;

Description : State the Relational operators with example.

Answer : == - returns true if the values of two operands are equal else returns false. E.g: if (A= = B){ } != - returns true if values of two operands are not equal, else returns false E.g: if (A! = B ... the first operand is greater than or equal to the second, else returns false. E.g: if (A> = B){ }

Description : State the syntax & use of strlen ( ) & strcat ( ) function.

Answer : strlen( ): calculates the length of the string Syntax: strlen(s1); strcat():concatenates two strings Syntax: strcat(s1,s2)

Description : Define array. List its type.

Answer : Array is a fixed-size sequential collection of elements of the same type. Types: 1. One dimensional 2. Multi dimensional