Complex sentence: Systems may also differ in other details, such as memory arrangement, operating systems, or peripheral devices; because a program normally relies on such factors, different systems will typically not run the same machine code, even when the same type of processor is used.
Split into simpler sentences: Systems may also differ in other details, such as memory arrangement, operating systems, or peripheral devices. Because a program normally relies on such factors, different systems will typically not run the same machine code, even when the same type of processor is used.