Basic Concepts

Every Language has some some basic key points,

they are

1.Character set:
    Since C is Case sensitive Language
A,B,C........Z
a,b,c,..........z

2. Digits:

0,1,2,3....9---- Decimal Numbers( Which are 0-9)(Deci means 10)
eg:25

0-8 ---> Octal Numbers(alphebet  'o' ) eg: 0o25

0-15---> Hexadecimal- which are denoted as eg: 0X25

binary numbers- (0/1)--->eg: 0010 0101

Special Characters:
+- plus Sign
*- Astric
/- forward slash
# - Hash
!- Exclamatory
~ - Negation
' ' - Single Quotation
" " - Double Quotation e.t.c....


KEYWORDS:

Which are reserved for Particular/Specific Task or Action

eg:
INT- it reserved for Integer Values
Folat: it is reserved for Decimal point s

Char- it is reserved for Character values
.....

C has a 32 Key words
AUTO,
BREAK,
CONTINUE,
DO,
ENUM,
ELSE,
EXTERN e.t.c...

Variables:

Variable is to store a values

Syntax:

Datatype Variable_Name = Variable_Value;


IDENTIFIERS:
Identifiers