GateWay Classes

//Program to show the use of simple if statement
void main ()
{
float amt=0,dis=0,total=0;
printf("Enter amount:");
scanf("%f",&amt)
if(amt>=500)
dis=50.0;
total=amt-dis;
printf("Total amount:%f",total);
}

simple if statement in C language

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Parameter passing technique in C programming:-
There are two types of techniques used in C programming language in passing parameter(or argument) to a function.

Loops in C programming language

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Computer Software

Software is a set of program that accomplish a user given task. Program is a set of meaningful instructions to perform any task. Software needs hardware to run. We can divide software into two broad categories: System software and application software.

History of JAVA

THE COMPUTER SYSTEM CONCEPT

Computer is an electronic device that accepts data as input, processes the input data by performing mathematical and
logical operations on it, and gives the desired output.

Parts of computer system

The computer system consists of four parts:
(1)Hardware-physical component of computers.
(2)Software-set of programs.
(3)Data-row facts.
(4) Users-persons that operate computers.

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C Programming Language

Introduction

• C is a general-purpose and high-level programming language.
• It was developed by Dennis Ritchie in 1972 at AT & T Bell
Laboratory, USA.
• It was developed from BCPL(Basic Combine Programming
Language) or B.
• It was named “C” because C comes after B that shows some
advancement in the language B.
• It is also called middle level Language.
• It is also called procedural language.

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2.Java
3.Python
4.C++
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