Context: A very high resolution source may require more bandwidth than available in order to be transmitted without loss of fidelity. The lossy compression that is used in all digital HDTV storage and transmission systems will distort the received picture, when compared to the uncompressed source.

Question: If more bandwith is required than is available, a very high resolution source my not be able to transmitted without loss of what?
Answer: fidelity

Question: The compression used in all HDTV storage and transmission systems will do what if resolution is too high?
Answer: distort the received picture

Question: A very high resolution source may require more of what?
Answer: bandwidth

Question: If more bandwidth is required than is available, a very low resolution source my not be able to transmitted without loss of what?
Answer: Unanswerable

Question:  The compression used in all SDTV storage and transmission systems will do what if resolution is too high?
Answer: Unanswerable

Question:  A very low resolution source may require more of what?
Answer: Unanswerable