Question: What does the LDR instruction in the strend subroutine do ? Responses It finds the location of the string's null terminator It doesn't do anything,

What does the LDR instruction in the strend subroutine do?
Responses
It finds the location of the string's null terminator
It doesn't do anything, so should be removed from the program.
It copies the string character from register R1 to register R0
Itreads one string character from memory, at the address indicated by R1.

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