What is the function of operators? What are arithmetic operators?

Q1. What is the function of operators? What are arithmetic operators? Give their examples.

Ans. The operations being carried out on data, are represented by operators.

C++ provides operators for five basic arithmetic calculations: addition, subtraction, multiplication, division and remainder which are +,-,*,and %.

C program to ASCII code for digit and backspace.

Q48. Write a C program to

  • print ASCII code for a given digit.
  • print ASCII code for backspace.

(Hint: Store escape sequence for backspace in an integer variable).

Ans(i).

#include<stdio.h>  //for standard input and output

#include<conio.h>  //for clrscr()

 

//Main Function

void main()

{

int num;

clrscr();  //for clear screen

 

printf(“\n Enter a digit you want to print the ASCII value of: “); Read More …

Write a program to print quotient and remainder.

 Q46. Write a program to read two numbers and print their quotient and remainder.

Ans.

#include<stdio.h>  //for standard input and output

#include<conio.h>  //for clrscr()

 

//Main Function

void main()

{

int dividend,divisor,remainder,quotient;

clrscr();  //for clear screen Read More …

C program to convert inches into yards, feet and inches.

Q45. Write a program to convert given inches into its equivalent yards, feet and inches.

(1 yard = 36 inches, 1 foot = 12 inches)

Ans.

#include<stdio.h>  //for standard input and output

#include<conio.h>  //for clrscr()

 

//Main Function

void main()

{

float inches,feet,yard;

clrscr();  //for clear screen Read More …

C program to print combinations from three digits.

Q44. Write a C program to accept three digits (that is, 0-9) and print all possible combinations from these digits. (For example, if the three digits are 1, 2 and 3 then all possible combinations are 123, 132, 231, 213, 312 and 321).

Ans.

#include<stdio.h>  //for standard input and output

#include<conio.h>  //for clrscr();

 

//Main Function

void main()

{

int a[3],i,n=0,swap; Read More …

C program to find area of a triangle.

Q42. Write a C program to find area of a triangle.

Ans.

#include<stdio.h>  //for standard input and output

#include<conio.h>  //for clrscr()

 

//Main() function

void main()

{

float height,base,area;

clrscr();  //for clear screen

printf(“\n Enter the height and base of the triangle: “);

scanf(“%f %f”,&height,&base);

area=(height*base)/0.5;

printf(“\n The area of triangle is: %f”,area);

getch();  //To hold the output screen

}

//End of main()

Output:

 

Enter the height and base of the triangle: 5  9.6

The area of triangle is: 96.000000

C program for electricity board charges.

Q40. An electricity board charges according to following rates:
For the first 100 units – 40 P per unit  (P-Paise)

For the next 200 units – 50 P per unit

Beyond 300 units – 60 P per unit.

All users are charged meter charge also which is R50/-.

Write a program to read the names of users and number of units consumed, and print out the charges with names.

Ans.

#include<stdio.h>  //for standard input output

#include<conio.h>  //for clrscr();

 

//A class called customer to hold all the information related to customer

struct customer

{

char name[20] Read More …