Question: Consider the following assembly source code: .DATA stringIn BYTE The cat ate the rat., 0 stringOut BYTE 80 DUP (?) .CODE ... rep movsb The

  1. Consider the following assembly source code:

.DATA

stringIn BYTE "The cat ate the rat.", 0

stringOut BYTE 80 DUP (?)

.CODE

...

rep movsb

The assembly instruction, rep movsb, assumes the ________ register contains the number of characters in _______.

  1. ebp, stringIn
  2. ecx, stringIn
  3. ebx, stringOut
  4. ecx, stringOut

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