Computing compiler crossword

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Across
  1. 1. what type of analyser look at how the code is structured?
  2. 3. what code is inputted into the compiler?
  3. 6. what type of analyser look at the spelling of the code?
Down
  1. 2. what does lexical analysis replace a single character with?
  2. 4. what code does the translator create?
  3. 5. what does the compiler first split the source code into?