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Computer programs are an instruction set that instructs the computer in order to complete a particular task. Each program needs writing in high-level languages such as Python, Java, and C, no matter if it’s just as easy as adding 2 numbers or more complex than forwarding the request to a web server.
The high-level languages are nearly like English and adhere to a fundamental syntax for writing and executing the programs that run on the computer to output. The procedure appears simple only when the computer can comprehend high-level languages. However, the computer can only comprehend Machine language (built from 1s and 0s).
In simpler terms, think that you can only comprehend English and that someone is talking to you in French. You’re unable to understand an individual who speaks French and tries to communicate. Therefore, in order to comprehend French, you need to employ a professional to perform the translation task on your behalf, i.e. translators from French into English.
Compiled Languages
Compiled Languages use the Compiler to convert the source code from high-level into low-level machine code. The Compiler will go through the entire source code in one go and generate the binary file executable Code or Obj (which is not readable to humans). This source code is convertible into machine code, which processors can run.
The Advantages of Compiling Languages
- A written language compiled is directly translated into Machine code. This allows compiled languages to run faster.
- In written languages, just the executable file will be shared with other individuals. This makes the source code secret.
- A properly executable or compiled program is now perfect for running. There’s no requirement for further steps after you complete it.
- Target programs run independently and don’t require the Compiler to be present in memory.
Cons of Written Languages
- The whole program needs rebuilding, even with minor changes to your source code. Also, it renders and makes it unflexible.
- Separate compilation is necessary work in order to support different operating versions and systems within the operating system. Therefore, the compiled languages don’t come in the cross-platform category.
- All warnings or errors are displayed at compile time, and the program will not run if you don’t fix the errors.
- The compilation process is complex and consumes a lot of time studying and making the program.
Interpreted Languages
Like a compiler, the interpreter converts the sources written by a compiler in a high-level language into machines directly. Also, the interpreter can translate differently; it will go via the program line-by-line to execute every line in real-time. Programming languages that use interpreters for translating purposes are famous for the name “Interpreted Language.”
Pros of Interpreted Languages
- You can run it on any computer so long as you quip it with an interpreter. Interpreter languages are cross-platform.
- Interpreted languages allow dynamic typing but don’t save the object’s code in separate files.
- It is easier to develop and test because errors are reported one line-by-line.
Cons of Interpreted Languages
- An interpreted language is 10 times faster than a compiled language.
- The source code is open to the public since it’s available for everyone who wants to run the program.
- A translator is necessary on the device on which it can operate.
