Question: We want to write an ARM assembly program that rewrites a word of four letters by rearranging them within a 3 2 - bit register.

We want to write an ARM assembly program that rewrites a word of "four" letters by rearranging them within a 32-bit register. The letters are encoded as 8-bit ASCII characters each.
Assuming the word "IKEA" is stored in the register R0 as follows:-
Use shifting and masking operations, rewrite RO to contain the word "KAIE" in ASCII as follows:
We want to write an ARM assembly program that rewrites a

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