Complex sentence: The PCX compression algorithm requires very little processor power or memory to apply, a significant concern with the computer systems of the time, but as computers and display hardware grow more sophisticated, the PCX algorithm becomes less space-efficient.
Split into simpler sentences: The PCX compression algorithm requires very little processor power or memory to apply, a significant concern with the computer systems when it was designed. As computers and display hardware grow more sophisticated, the PCX algorithm becomes less space-efficient.