Complex sentence: The Napkin PC is an idea for a next generation personal computer that was entered by Avery Holleman into the 2009 Next-Gen PC Design Competition and won first prize, the Chairman's Award.
Split into simpler sentences: The Napkin PC is a concept for a next-generation computer entered into the 2009 Next-Gen PC Design Competition by Avery Holleman. The concept won first prize, the Chairman's Award.