What is the use of a compiler in a computer system ? How is it different from an interpreter ?

Introduction of Compiler Design - GeeksforGeeks

In pc programming, a compiler is a software that translates source code written in a excessive-level programming language into device code that can be finished directly through a laptop. The purpose of a compiler is to facilitate the development of software with the aid of permitting programmers to jot down code in a language that is simpler to recognize and extra expressive than system code.

A compiler works via reading the supply code and generating a series of machine code commands that can be accomplished directly through the laptop’s processor. The ensuing executable code is typically quicker and more green than interpreted code, as the translation manner has already been completed before the program is administered.

How is it different from an interpreter ?

  • In contrast, an interpreter is a application that reads and executes code line-by means of-line, with out the need for a separate compilation step. This approach that the supply code is translated into system code at runtime, that could bring about slower performance compared to compiled code.
  • The major difference among a compiler and an interpreter is that a compiler generates executable code that can be run without delay by means of the laptop, while an interpreter executes the supply code directly, generally generating machine code on-the-fly. This can make interpreted code greater flexible and less difficult to adjust, as changes to the supply code can be reflected right away, but also can result in decreased performance and performance.
  • Overall, compilers are an important tool for software program improvement, allowing programmers to jot down code in a high-stage language that can be effortlessly understood and maintained, whilst nonetheless delivering excessive-performance machine code that can be performed at once with the aid of the pc.

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