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A program that translates source code into object code. The compiler derives its name from the way it works, looking at the entire piece of source code and collecting and reorganizing the instructions. Thus, a compiler differs from an interpreter, which analyzes and executes each line of source code in succession, without looking at the entire program. The advantage of interpreters is that they can execute a program immediately. Compilers require some time before an executable program emerges. However, programs produced by compilers run much faster than the same programs executed by an interpreter.
Every high-level programming language (except strictly interpretive languages) comes with a compiler. In effect, the compiler is the language, because it defines which instructions are acceptable.
Because compilers translate source code into object code, which is unique for each type of computer, many compilers are available for the same language. For example, there is a FORTRAN compiler for PCs and another for Apple Macintosh computers. In addition, the compiler industry is quite competitive, so there are actually many compilers for each language on each type of computer. More than a dozen companies develop and sell C compilers for the PC.
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Why you require different operating system for different compiler?
Actually it's the other way around. You require different compilers for different operating systems. The reason for this is that an operating system is basically an intermediate step for a person to be able to interact with the hardware on their system. Each OS has a different way to do this, and so compilers must be different for each one, even for the same language.
What is compiler writing tool?
they are tools to help developed compilers
Can two compilers from different language share components. how?
The lexical scanner is one of the good candidate to be shared among different compilers. The breakdown of tokens should be the same, or at least similar. However, the interpretation of those tokens will be different between languages. The storage of those tokens, stacks, or hash tables, can be the same as well (reusable component).
Can language C works on Windows 8?
Yes. C is a general purpose programming language with compilers available for all versions of Windows.
C language is machine dependent?
Yes c is a complete machine dependent language as the memory allocated to its various variables having various data types is different. For example in some compilers the memory allocated to the char data type is 1 byte but in many compilers it may be 2 bytes also>>> thanks
