TRANSLATORS

TRANSLATORS

1. THE DIFFERENCE BETWEEN HIGH & LOW LEVEL CODE

   • high level is understood by programmer
   • low level is understood by machine

2. THE PURPOSE OF A TRANSLATOR

   • to translate high code level to machine

3. DIFFERENCE BETWEEN COMPILER, ASSEMBLER, INTERPRETER

   • INTERPRETER: LINE BY LINE
   • COMPILER: INPUTS ALL AT ONCE
   • ASSEMBLER: USES MNEUMONICS

4. PROS CONS

   • INTERPRETER
     • CAN BE EDITED

5. TREE

   • translator: compiles/interprets into machine code
   • run-time environment: allows running code during development
   • editors: organises code (indents, colour coding ect.)
   • error diagnosticsc and debugger: identifies problems in the code