question:
many people were able to encode and play back MP3 files on their PCs.
What was the average high end hard drive size?

answer: no

question:
Further, the credit quality of CDO's declined from 2000 to 2007, as the level of subprime and other non-prime mortgage debt increased from 5% to 36% of CDO assets.
What percent of CDO assets were subprime and other non-prime mortgage debt in 2007?

answer: yes

question:
Initially ideologically committed to Arab nationalism and Arab socialism, he came to rule according to his own Third International Theory before embracing Pan-Africanism and serving as Chairperson of the African Union from 2009 to 2010.
What was the official name of Libya between 1969 and 1977?

answer: no

question:
Vibration of the diaphragm caused a needle to vibrate in the water, varying the electrical resistance in the circuit.
What did the vibrations cause to change?

answer:
yes