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Assertion (A): The intermediate representation is the pivot on which retargeting turns.
Reason (R): It is defined independently of both the source language and the target machine.

  • A.Both A and R are true, but R is not the correct explanation of A
  • B.A is true but R is false
  • C.A is false but R is true
  • D.Both A and R are true, and R is the correct explanation of A

Answer: D

Both are true and the reason gives the mechanism, and this is why m languages and n machines need m plus n components rather than m times n. Any front end can feed any back end provided both agree on the intermediate form.

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