What is the purpose of a symbol table in a compiler?

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Question: What is the purpose of a symbol table in a compiler?

Options:

Correct Answer: To keep track of variable names and types

Solution:

The symbol table is used to keep track of variable names, types, and other attributes during the compilation process.

What is the purpose of a symbol table in a compiler?

What is the purpose of a symbol table in a compiler?

Step 1: Understand that a compiler is a program that translates code from one programming language to another.
Step 2: Know that during this translation, the compiler needs to keep track of various elements in the code.
Step 3: Recognize that a symbol table is a data structure used by the compiler for this purpose.
Step 4: Learn that the symbol table stores information about variable names, which are the names we give to data in our code.
Step 5: Understand that the symbol table also keeps track of the types of these variables, like whether they are numbers, text, etc.
Step 6: Realize that the symbol table can store other attributes too, such as the scope of the variable (where it can be used in the code).
Step 7: Conclude that the symbol table helps the compiler understand and manage the variables in the code effectively.

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