Question

1. select one of the true statement for the compiler?
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Answer 1

Answer:

I dont know this answer.

Answer 2

Answer: the compiler is a key tool for software development, as it allows programmers to write code in a high-level programming language, which is easier for humans to read and write, and then convert it into machine code that can be executed by a computer.

Explanation:

A compiler is a type of software that takes in source code, written in a programming language such as C++ or Java, and converts it into machine code, which is a set of instructions that a computer's processor can understand and execute. The process of converting the source code into machine code is called compilation.

The compilation process typically involves several steps.

First, the source code is passed through a lexical analyzer, also known as a lexer or tokenizer. The lexer reads the source code, character by character, and groups the characters into tokens, which are basic units of meaning in the source code. For example, a token might be a keyword, such as "int" or "for", or a variable name.

Next, the tokens are passed to a syntax analyzer, also known as a parser. The parser reads the tokens and checks them against the grammar of the programming language, to ensure that the source code is written correctly according to the language's rules. If the parser finds an error, such as a missing semicolon or an undeclared variable, it will generate an error message indicating the problem and the location in the source code where it occurred.

After the source code has been successfully parsed, it is passed to a code generator, which creates machine code from the source code. The code generator may also perform additional tasks, such as optimization, which involves making the machine code run more efficiently on the target platform.

Finally, the machine code is passed to a linker, which combines the machine code with any necessary libraries or other external resources to create a final executable program. The linker also resolves any external references in the code, such as calls to functions defined in other files.

Overall, the compiler is a key tool for software development, as it allows programmers to write code in a high-level programming language, which is easier for humans to read and write, and then convert it into machine code that can be executed by a computer.

To learn more about software from the link below

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