If, after fetching a value from memory, we discover that the system has returned only half of the bits that we expected; it is likely that we have a problem with byte alignment.
It is known to be vital because the CPU is said to always reads the word size often (4 bytes on a 32-bit processor).
Therefore, if a person do an unaligned address access using a processor that aids it, the processor will be able to read a lot of words.
Note that the CPU is said to read each word of memory that is said to be requested of the address straddles and as such, If, after fetching a value from memory, we discover that the system has returned only half of the bits that we expected; it is likely that we have a problem with byte alignment.
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