Difference between Compiler and Interpreter
1. Compiler:
It is a translator which takes input i.e., High Level Language and produces an output of low level language i.e. machine or assembly language.
- Compiler is more intelligent than an assembler it checks all kinds of limits, ranges, errors etc.
- But it’s program run time is more and occupies a larger part of memory. It has slow speed because a compiler goes through the entire program and then translates the entire program into machine codes.
2. Interpreter:
An interpreter is a program which translates a programming language into a comprehensible language. –
- It translates only one statement of the program at a time.
- Interpreters, more often than not are smaller than compilers.
Let’s see the difference between Compiler and Interpreter:
| S.No. | Compiler | Interpreter |
|---|---|---|
| 1. | Compiler scans the whole program in one go. | Translates program one statement at a time. |
| 2. | As it scans the code in one go, the errors (if any) are shown at the end together. | Considering it scans code one line at a time, errors are shown line by line. |
| 3. | Main advantage of compilers is it’s execution time. | Due to interpreters being slow in executing the object code, it is preferred less. |
| 4. | It converts the the instructions into systematic code. | It doesn’t convert the instructions instead it directly works on source language. | Eg. | C, C++, C# etc. | Python, Ruby, Perl, SNOBOL, MATLAB etc. |
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