Computers can only understand machine language. If a program is written in another language, the computer converts it into machine language with the help of a suitable translator (assembler, compiler, interpreter) before execution.
Programming languages are again divided into different levels on the basis of program composition features:
1. Low Level Language
-Machine Language, Assembly Language
2. Mid Level Language
-C, Forth, Dbase, WordStar
3. High Level Language
-Fortran, Basic, Pascal, Cobol, C, C++, Visual Basic, Java, Oracle, Python
4. Very High Level Language (4GL)
-SQL, Oracle
5. Natural Language
- Human language
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