Description : Write a program to Print values of variables and their addresses. Note : 1) Variables can be of any data type. 2)Use of & or pointer to display address shall be considered.
Last Answer : #include #include void main() { int a,b; clrscr(); a=5; b=10; printf("\n Value of a=%d",a); printf("\n Address of a=%u",&a); printf("\n Value of b=%d",b); printf("\n Address of b=%u",&b); getch(); }
Description : Write a program to accept the value of year as input from the keyboard & print whether it is a leap year or not.
Last Answer : #include #include void main() { int year; clrscr(); printf("Enter year"); scanf("%d",&year); if(year%4==0) { printf("Year %d is a leap year",year); } else { printf("Year %d is not a leap year",year); } getch(); }
Description : Write algorithm and draw flow-chart to print even numbers from 1 to 100.
Last Answer : Here's one possible algorithm to print even numbers from 1 to 100: Start with a variable i equal to 1. Check if i is less than or equal to 100. If i is less than or equal to 100 ... and increments `i` by 1. The loop continues until `i` is greater than 100, and the program ends.
Description : Develop a program to swap two numbers using pointer and add swaped numbers also print their addition.
Last Answer : #include<stdio.h> void swap(int *a,int *b) { int temp; temp=*a; *a=*b; *b=temp; } void main() { int x,y,sum; printf("\n Enter value for x:"); scanf(" ... x); printf("\ny=%d",y); sum=x+y; printf("Sum of x+y = %d",sum); }
Description : Design a program to print a message 10 times.
Last Answer : #include #include void main() { int i; clrscr(); for(i=0;i
Description : Develop a program using structure to print data of three students having data members name, class, percentage.
Last Answer : #include #include void main() { struct student { char name[20]; char c[20]; int per; } s[3]; int i; clrscr(); for(i=0;i
Description : Develop a program to accept an integer number and print whether it is palindrome or not.
Last Answer : #include<stdio.h> #include<conio.h> void main() { int n,num,rev=0,digit,i; clrscr(); printf("Enter the number: "); scanf("%d",&num); n=num ... ;Number is palindrome"); else printf("Number is not palindrome"); getch(); }
Description : Write a program to reverse the number 1234 (i.e. 4321) using function.
Last Answer : #include #include void findReverse(); void main() { findReverse(); } void findReverse() { int num, res=0,ans=0; clrscr(); printf("Enter the number"); scanf("%d", &num); while(num!=0) { res=num%10; ans=ans*10+res; num=num/10; } printf("Reverse number is %d", ans); getch(); }
Description : Write a program to accept a string as input from user and determine its length. [Don’t use built in library function strlen()]
Last Answer : #include #include void main(){ char str[50]; int i, len=0; clrscr(); printf("Enter a string"); scanf("%s",&str); for(i=0; str[i]!='\0'; i++){ len++; } printf("The length of string is %d",len); getch(); }
Description : Write syntax and use of pow ()function of header file.
Last Answer : pow()- compute the power of a input value Syntax: double pow (double x, double y);
Description : Write a program to sweep the values of variables a = 10, b = 5 using function.
Last Answer : #include #include void swapvalues(int *i, int *j) { int temp; temp=*i; *i=*j; *j=temp; } void main() { int a=10; int b=5; clrscr(); printf("The values before swaping:\na=%d, b=%d",a,b); swapvalues(&a,&b); printf("\nThe values after swaping:\na=%d, b=%d",a,b); getch(); }
Description : State the syntax & use of strlen ( ) & strcat ( ) function.
Last Answer : strlen( ): calculates the length of the string Syntax: strlen(s1); strcat():concatenates two strings Syntax: strcat(s1,s2)
Description : Explain strlen() and strcpy() function with example.
Last Answer : strlen()- this function is used to find the length of a string. It counts the number of characters comprising the string. Syntax: strlen(char[] str)- finds the length of the string str. Example: ... ; strcpy(dest,source); printf("\n%s %s",source, dest); getch(); }
Description : Explain User defined function with example.
Last Answer : Functions are basic building blocks in a program. It can be predefined/ library functions or user defined functions. Predefined functions are those which are already available in C library. User defined functions are those which are ... value is: %d",a); } void main() { myFunc(10); getch() }
Description : Develop a program to find diameter, circumference and area of circle using function.
Last Answer : #include<stdio.h> #include<conio.h> void circle(float r) { float diameter,circumference,area; diameter=2*r; printf("\n Diameter=%f",diameter); circumference=2*3.14*r; printf ... :"); scanf("%f",&radius); circle(radius); getch(); }
Description : Implement a program to demonstrate concept of pointers to function.
Last Answer : Pointer to function: include int sum(int x, int y) { return x+y; } int main() { int s; int(*fp)(int, int); fp = sum; s = fp(10,12); printf(“Sum = %d”,s); return 0; }
Description : Explain how to pass pointer to function with example.
Last Answer : When pointer (addresses) is passed to the function as an argument instead of value then function is called as call by reference. Example: #include #include int add(int *); void main() { int *ptr,pos=0; clrscr(); printf( ... ; getch(); } int add(int *p) { int i=0; int sum=0; for(i=1;i
Description : Write a program to sort elements of an array in ascending order.
Last 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.
Last 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.
Last Answer : Write a program to calculate sum of all odd element of 1D array
Description : Write a program to read two strings and find whether they are equal or not.
Last 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 : Write a program to add, subtract, multiply and divide two numbers, accepted from user switch case.
Last 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 : Write an algorithm to determine the given number is odd or even.
Last 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 : Write a program to declare structure student having rollno, name & marks.
Last 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 : Write a program to sum all the odd numbers between 1 to 20.
Last Answer : #include<stdio.h> #include<conio.h> void main() { int sum=0,i; clrscr(); for(i=1;i<=20;i++) { if(i%2==1) sum=sum+i; } printf(“sum of odd no“s between 1 to 20 is %d”,sum); getcht); }
Description : Write the syntax of switch case statement.
Last Answer : switch(variable) { case value1: statements break; case value2: statements; break; . . . default: statements; break; }
Description : Write a program to accept two numbers from user and perform addition, subtraction, multiplication and division operations using pointer.
Last Answer : #include #include void main() { int no1,no2,*ptr1,*ptr2,result; clrscr(); printf("Enter no1:"); scanf("%d",&no1); printf("\nEnter no2:"); scanf("%d",&no2); ptr1=&no1; ptr2=&no2; ... "\n Multiplication=%d",result); result=*ptr1/(*ptr2); printf("\n Division=%d",result); getch(); }
Description : If the value of a number (N) is entered through keyboard. Write a program using recursion to calculate and display factorial of number (N).
Last Answer : #include<stdio.h> #include<conio.h> int factorial(int N); void main() { int N,fact; clrscr(); printf("Enter number:"); scanf("%d",&N); fact=factorial(N); printf( ... N) { if(N==1) return(1); else return(N*factorial(N-1)); }
Description : Write a program to declare structure employee having data member name, age, street and city. Accept data for two employees and display it.
Last Answer : #include<stdio.h> #include<conio.h> struct employee { char name[10],street[10],city[10]; int age; }; void main() { int i; struct employee e[2]; clrscr(); for(i=0;i<2 ... =%s",e[i].street); printf("\n City=%s",e[i].city); } getch(); }
Description : Write a program for addition of two 3 x 3 matrices.
Last Answer : #include<stdio.h> #include<conio.h> void main() { int a[3][3],b[3][3],c[3][3],i,j; clrscr(); printf("Enter first matrix elements:\n"); for(i=0;i<3;i++) { for(j=0;j<3 ... (j=0;j<3;j++) { printf("%d\t",c[i][j]); } } getch(); }
Description : Write a program using switch statement to check whether entered character is VOWEL or CONSONANT
Last Answer : #include<stdio.h> #include<conio.h> void main() { char ch; clrscr(); printf("Enter character:"); scanf("%c",&ch); switch(ch) { case 'a': ... break; default: printf("\n Entered character is CONSONANT"); } getch(); }
Description : Write a program to swap two numbers using call be value.
Last Answer : #include<stdio.h> #include<conio.h> void swap(int a, int b) { int temp; temp=a; a=b; b=temp; printf("Numbers after swapping no1=%d and no2=%d",a,b); } void ... ;Numbers before swapping no1=%d and no2= %d",no1, no2); swap(no1,no2); getch(); }
Description : Write a program to accept marks of four subjects as input from user. Calculate and display total and percentage marks of student.
Last Answer : #include<stdio.h> #include<conio.h> void main() { float marks[4]; float total=0.0, perc=0.0; int i; clrscr(); for(i=1;i<=4;i++) { printf("Enter marks of ... is :%f",total); perc=total/4; printf("Percentage is %f",perc); getch(); }
Description : Write an algorithm to determine whether a given number is divisible by 5 or not
Last Answer : Here's one possible algorithm to determine whether a given number is divisible by 5 or not: Start by taking the input number. Check if the last digit of the number is either 0 or 5. If the ... The above two algorithms are basic ways of checking whether the given number is divisible by 5 or not.
Description : Define pointer. Write syntax for pointer declaration.
Last Answer : Definition: A pointer is a variable that stores memory address of another variable which is of similar data type. Declaration: datatype *pointer_variable_name;
Description : Draw a flowchart of Do-while loop and write a program to add numbers until user enters zero.
Last Answer : Flowchart of Do-while loop: Program:- #include<stdio.h> #include<conio.h> void main() { int no,sum=0; clrscr(); do { printf("\n Enter a number:"); scanf( ... no; }while(no!=0); printf("\n Sum of entered numbers =%d",sum); getch(); }
Description : Calculate factorial of a number using recursion.
Last 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 : Illustrate initialization of two dimensional array with example.
Last 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 : Illustrate the use of break and continue statement with example.
Last 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 : List the categories of functions and explain any one with example.
Last 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
Last 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.
Last 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 : State the importance of flow chart.
Last 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.
Last Answer : a + b sum 2 + 5
Description : State the syntax to declare pointer variable with example.
Last Answer : General syntax to declare pointer. datatype *var_name; Eg: int var = 20;
Description : State the Relational operators with example.
Last 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 : Define array. List its type.
Last Answer : Array is a fixed-size sequential collection of elements of the same type. Types: 1. One dimensional 2. Multi dimensional
Description : Differentiate between character array and integer array with respect to size and initialisation.
Last Answer : Parameter Character Array Integer Array Size Last location in character array is filled with '\0' so the array size should be so declared that it should have one last location for '\0' character. ... ="abc"; Initialization can be done like : int arr[4]={1,2,3,4};
Description : Draw flowchart for checking weather given number is prime or not.
Last Answer : flowchart for checking weather given number is prime or not.
Description : State four arithmetic operations perform on pointer with example.
Last Answer : The pointer arithmetic is done as per the data type of the pointer. The basic operations on pointers are Increment: It is used to increment the pointer. Each time a pointer is incremented, it points to the ... address 1004, Then ptr-2 shows 1004-(2*2) = 1000 as decremented location for an int.