kirran

Friday, May 18, 2012

Introduction to language

Let us discuss .............What is a language?

Language is used for communication purpose, if language is not available, communication is not possible

Every language depends on 2 conditions,they are
  1. Syntax   - It is representation of grammar of a language 
  2. Semantic – It is representation of meaning of a language

Types of languages
 

Symbolic language - animal to animal communication
Natural language-person to person communication(English,tamil..)
Programming language  - person to machine   communication (C,C++,JAVA,.NET)


LEVEL
Instruction format
TRANSLATOR
EXAMPLE
LOW-
1100011
-----------
Binary
MID - 2G
MOV A,B
Assembler
Assembly language
HIGH – 3G
Main()
{
}
Compiler
interpreter
C, C++, JAVA, .NET


C/C++ are special languages ,which can be used as a high level language or low level language. 

These languages are called as middle level languages.

Java, .NET both are high level and application oriented languages.

Database languages like (PL/SQL) belongs to 4 Generation programming language.


Artificial intelligence is a fifth generation programming language.(ex ops5 mercury)

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