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What is Computer?

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  Computer The Word of computer came out from “ Greek ” Word “Compute” that means calculation. Computer always performs calculation work. Here it will be perform Arithmetical and logical Calculation and gives result.                   Charles Babbage is known as “Father of Computer” because he was developed a device in 1822 “difference engine” and in 1833 “Analytic Engine” Both device performs arithmetical and logical calculations.   Definition of Computer Computer is an electronic device with the ability to accept data which is supply by the user. According to user’s instruction it performs processing (Arithmetical & Logical) and after processing it will give the output result according to user’s requirement.   It has also found the capacity to input, store & execute information.   By Vicky Malhotra
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Write a program to perform arithmetical calculation using switch statement.

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 Write a program to perform arithmetical calculation using switch statement. #include<stdio.h> #include<conio.h> void main() { float num1,num2,res; int choice; clrscr(); printf("\n\t*************************************************************"); printf("\n\t***************** Malhotra Computer Centre ******************"); printf("\n\t*************************************************************"); printf("\n\n\t------------------------- Menu ----------------------------"); printf("\n\t\tProgram to perform Arithmetical Operation :"); printf("\n\n\tPress 1 for Addition :" ); printf("\n\tPress 2 for Subtraction : "); printf("\n\tPress 3 for Multiplication :"); printf("\n\tPress 4 for Division : "); printf("\n\t-------------------------------------------------------------"); printf("\n\tInput your choice :\t"); scanf("%d",...
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