One Step towards programming..

Hello Friends, this is me Alex your free programming tutor. Today is your first class and I am going to teach you some basic concept of programming. Please make a note of these terms

Program
A program is like a recipe. It contains a list of ingredients (called variables) and a set of instructions (called statements) that tell the computer what to do with the variables. The variables can represent numeric data, text, or graphical images

Programming Language

A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output. Programming languages generally consist of instructions for a computer. Programming languages can be used to create programs that implement specific algorithms.
 
Variable

A variable is a symbolic name given to an unknown quantity that permits the name to be used independent of the information it represents. Variables are associated with data storage locations, and values of a variable are normally changed during the course of program execution.

Syntax

syntax refers to the rules that specify the correct combined sequence of symbols that can be used to form a correctly structured program using a given programming language.

Compiler

A compiler is a special program that processes statements written in a particular programming language and turns them into machine language or "code" that a computer's processor uses. ... (Note that the term "object" here is not related to object-oriented programming.) 

Interpreter

An interpreter is a computer program that directly executes, i.e. performs, instructions written in a programming or scripting language, without requiring them previously to have been compiled into a machine language program. 



Why we should code?

Friends, when we use a software made by others, we are restricted to a limited functionality. We can't even use the full version of some software without paying a huge money. But, A programmer is free from all these restrictions. They code for themselves when they need and sell them to others too. Now, I hope you understand why should we code. ;) 


Thank you friends, Your today's lesson is over come back here tomorrow for a new lesson. If you have and problem, discuss in chat group.   

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