Complex sentence: Topo is a robot designed in the 1980s by Androbot Inc. Aimed at the consumer and educational market, it was programmable via Apple II and there was also a user made program for the Windows 9x operating systems.
Split into simpler sentences: Topo is a robot designed in the 1980s by Androbot Inc., for the consumer and education markets. It was programmable via Apple II and there was also a user made program for the Windows 9x operating systems.