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Variable.                            I n Programming,A Variable Is A Container (Storage Area) To Hold Data. A variable is nothing but a name given to a storage area that our programs can manipulate. Each variable in C has a specific type, which determines the size and layout of the variable's memory; the range of values that can be stored within that memory; and the set of operations that can be applied to the variable.  will be the following basic variable types − To Indicate The Storage Area,Each Variable Should be Given A Unique Name (Identifier).Variable Names Are Just The Symbolic Representation Of A Memory Location. Variable names are just the symbolic representation of a memory location. For example: int  StudentMArks=72 ; Here [ StudentMarks ] is a variable of int type.Here the variable assigned an integer value 72.   The name of a variable can be composed of letters, digits, and the underscore character. It must begin with either a letter or an underscore. Upper and l

In this tutorial we will learn about data type declaration instructions    Instructions :  Programming statement is called instructions  C instructions  are the commands in the program that instructs the compiler to do certain action. ... These  instructions  are used to perform some arithmetic calculation within the program. ... () → * / → + – → = Like the name suggests, these  instructions  are used to control the flow of the program execution. Instructions are four types Data type declaration instructions  Input Output instructions Arithmetic instructions  Control instructions Data type declaration instructions : One of the use of these data types is during declaration of variables. Declaring variables is a statement telling compiler about the kind of data that variable can hold Input Output instructions : Input  means to provide the program with some data to be used in the program and  Output  means to display data on screen or write the data to a printer or a file.  C  programmin

In this tutorial  you will learn about keywords and identifier of C programming  language   What is keywords in C programming language  Keywords are some reserved  words that C language use for denoting something specific.In C language  keywords written in lower case.C language has 32 keywords  Keywords are predefined reserved words used in programming that have special meanings to the compiler.Keywords are part of the syntax and they cannot used as identifier Character set of C Character: it denoted any alphabet,digit or special symbol used to represent information . Use: These characters can be combined to form variable,C use Constants.variable,operators,keyword,and expression as building blocks to form a basic C programming language. Character set: The character set is the fundamental raw material of any language and they are used to represent information,Like natural language,compile. Language will also have well defined character set,which is useful to build the  programs  As ever

C language History C is a general-purpose high level programming language that was originally developed by Dennis Ritchie for the Unix operating system. It was first implemented on the Digital Eqquipment Corporation PDP-11 computer in 1972. The Unix operating system and virtually all Unix applications are written in the C programming language. Before C programming language was created There was a language created by Martin Richard in 1966 this language name is BCPL Then in 1969 Ken Thompson needed a language to build the operating system so he improved the language of Martin Richard(BCPL) they created a language known as B programming Language. C language is considered as the mother language of all the modern programming languages because most of the compilers, JVMs, Kernels, etc. are written in C language, and most of the programming languages follow C syntax, for example, C++, Java, C#, etc. It provides the core concepts like the C language is considered as the mother language of al