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Authors:
Linda Null ,julia Lobur
Chapter:
Marie An Introduction To A Simple Computer
Exercise:
True Or False
Question:4 | ISBN:9780763704445 | Edition: 3

Question

A two-pass assembler generally creates a symbol table during the first pass and finishes the complete translation from assembly language to machine instructions on the second.

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Answer

The correct choice is: "False"

 

Explanation:

 

  • In a two-pass assembler, the first pass is typically dedicated to building the symbol table and collecting information about labels, variables, and addresses.
  • The symbol table keeps track of symbols defined and referenced in the assembly code.
  • The first pass also detects any syntax errors and performs some initial semantic checks.
  • The second pass, which occurs after the symbol table is built, is responsible for generating the final machine instructions or object code.
  • It uses the symbol table to resolve references and calculate addresses, ensuring that all symbols are properly resolved.
  • The second pass performs the actual translation from assembly language to machine instructions or object code.
  • The second pass is required to finalize the translation and generate the complete machine instructions or object code.

Hence, a two-pass assembler does not complete the translation from assembly language to machine instructions during the first pass..

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