Complex sentence: However, the term "firmware" was originally coined in order to contrast to higher level software which could be changed without replacing a computer hardware component, and firmware is typically involved with very basic low-level operations without which a device would be completely non-functional.
Split into simpler sentences: However, the term "firmware" was originally coined to contrast with higher-level software which could be changed without replacing a computer hardware component. Firmware is typically involved with very basic low-level operations, without which a device would be completely non-functional.