Compiler design puzzle

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Across
  1. 4. in ___ analysis the compiler checks the meaning of the source code to ensure that it makes sense.
  2. 7. Compilers perform comprehensive ___ checking during the compilation process.
  3. 8. parsingparsing techniques uses a stack to keep track of the parsing process?
  4. 9. model recovery implest method to implement .on discovry of error,the parser discard input symbl one at a time until designed set of synchronizing token is found
  5. 10. YACC is a computer program for _____operation system
Down
  1. 1. An ____ converts high-level language into low-level machine language, just like a compiler.
  2. 2. Factoring A type of grammar transformation where common prefixes are extracted into separate rules.
  3. 3. The output of the ___ is called an object file.
  4. 5. A phase where memory allocation and register allocation are managed
  5. 6. parsing technique is most closely associated with recursive descent parsing?