Software
Programs --->Set of Instructions
Computer Languages
High Level Language Middle Level Language Low Level Language
Basic, C, C++, Cobol, Translators Machine Language(LLL)
Python, Prolog, Fortran Interpreter Compiler Assembler
Pascal, Java, Lisp etc C MSA Fourth
Interpreter Languages -------> Basic C Lisp Java
Compiler Languages --------> C C++ Cobol Java Fortran Pascal Prolog Python Java
C Family Languages : C C++ VC++ C# VC++.Net C#.Net Java
C Language.
- Less Key Words (32)
- Function Supporting
- Speed Processing
- Program Portability
History of C
1967 BCPL : Basic Combined Programming Language
'B' BW Kernighan & DM Ritchie
MULTICS OS Ken Thomson
| | 1968
B--| --------Unix OS 1970
C Language
UNIX --------- 90% C Program + 10 Unix Code
Character Set of C
Alpha Bets A - Z
a - z
Numeric 0 - 9
Special Symbols
~ ! @ # $ % ^ & * ( ) - _ + = { } [ ] \ | ; : ' " , . < > / ? Blank
Key Words
auto double int struct
break else long switch
case enum register typedef
char extern return union
const float short unsigned
continue for signed void
default goto sizeof volatile
do if static while
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