What is a Compiler || What is Interpreter

What is a Compiler ?

A compiler is a computer program that translates source code written in a high-level programming language into machine code or bytecode that a computer can execute directly. The process involves several stages, including lexical analysis, syntax analysis, semantic analysis, optimization, and code generation.

Here's a brief overview of each stage:

Lexical Analysis: Also known as scanning, this stage involves breaking the source code into tokens such as keywords, identifiers, literals, and operators.

Syntax Analysis: Also known as parsing, this stage involves analyzing the structure of the        code to ensure it conforms to the rules of the programming language's grammar.

Semantic Analysis: This stage checks the code for semantic errors, such as type mismatches or undeclared variables.

Optimization: The compiler may perform various optimizations on the code to improve its efficiency, such as removing redundant code or rearranging instructions for better performance.

Code Generation: In this final stage, the compiler translates the optimized intermediate representation of the code into machine code or bytecode that can be executed by the computer.

Once the compilation process is complete, the resulting executable or bytecode can be run on the target platform without requiring the original source code. Compilers are essential tools for software development, as they enable programmers to write code in high-level languages and execute it on various platforms and architectures.

What is Interpreter ?

An interpreter is a computer execute Program instructions written using one of many high-level programming language.

The interpreter transforms the high-level program into an intermediate language that it then 

execute, or it could parse the high-level source code and then performs the Commnds directly,

which is done line by line or statement by statement.