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

Question: A broadcasts optimum format depends on what two things?
Answer: the type of videographic recording medium used and the image's characteristics

Question: For best fidelity to the source, what three things should match the source? 
Answer: transmitted field ratio, lines, and frame rate

Question: For best fidelity to the source, the transmitted field ratio, lines, and frame rate should match what? 
Answer: those of the source

Question: The type of videographic recording medium used and the image's characteristics determine what?
Answer: The optimum format for a broadcast

Question: PAL, SECAM, and NTSC frame rates apply to what definition televisions?
Answer: analogue standard

Question: PAL, SECAM, and NTSC frame rates do not apply to what broadcasts?
Answer: digital or high definition

Question: In former PAL and SECAM countries, what frame rate does HDTV operate at?
Answer: 25/50 Hz

Question: In former NTSC countries, what frame rate does HDTV operate at?
Answer: 30/60 Hz

Question: At what rate is standard 35mm photographic film exposed and projected?
Answer: 24 frames per second

Question: To be shown on SDTV in PAL-system countries, at what rate is cinema film scanned?
Answer: 25 frame/s

Question: The technique in which with successive pair of film frames, one is held for three video fields, and the next is held for two, is called what?
Answer: 3:2 Pulldown

Question: The 3:2 Pulldown techniques gives what total time for two frames?
Answer: 1/12 of a second

Question: What is achieved by the 3:2 Pulldown technique producing a total time of 1/12 of a second for two frames?
Answer: the correct average film frame rate

Question: What two formats are typically used to recorde non-cinematic HDTV video intended for broadcast?
Answer: 720p or 1080i

Question: Which format is typically used for internet distribution of HD video?
Answer: 720p

Question: Most computer monitors operate in what mode?
Answer: progressive-scan

Question: 1080i, 1080p, and 720p are often used on what kind of disc. 
Answer: Blu-ray

Question: In the US, what kind of tuner is needed for residents to receive free, over the air programming?
Answer: ATSC

Question: Laws regarding antennas were upated before what?
Answer: the change to digital terrestrial broadcasts

Question: Who do these laws prohibit from banning the installation of antennas?
Answer: home owners' associations and city government

Question: Laws about antennas keep home owners' associations and city government from banning what?
Answer: the installation of antennas

Question: Most television sets sold since what year have an ATSC tuner?
Answer: 2009

Question: HD content can be displayed by cable-ready TVs without using what?
Answer: an external box

Question: Without using an external box, cable-ready TVs can display what?
Answer: HD content

Question: What features allow the cable-ready TVs to display HD content without an external box?
Answer: a QAM tuner built-in and/or a card slot for inserting a CableCARD

Question: What kind of built-in tuner will allow a cable-ready TV to display HD content without an external box?
Answer: QAM

Question: What kind of card will allow a cable-ready TV to display HD content without an external box?
Answer: CableCARD

Question: Roku and AppleTV are examples of what?
Answer: IPTV

Question: Internet downloads, Blu-ray videos, and Apple TV are examples of what?
Answer: High-definition image sources

Question: Terrestrial broadcast and direct broadcast satellite are examples of what?
Answer: High-definition image sources

Question: Digital cable and Roku are examples of what?
Answer: High-definition image sources

Question: Why does the PlayStation 3 have extensive HD compatibility?
Answer: because of its built in Blu-ray disc based player

Question: In addition to having a Blu-ray player the Xbox 360 also features what?
Answer: Netflix and Windows Media Center HTPC streaming capabilities, and the Zune marketplace

Question: What high definition gaming platform did Nintendo recently release?
Answer: The Wii U

Question: The HD capabilities of modern gaming systems has inspired developers to do what?
Answer: port games from past consoles onto the PS3, Xbox 360 and Wii U, often with remastered or upscaled graphics

Question: Sky HD's set-top box, TiVo's Series 3, and Dish Network's VIP 622 are examples of what?
Answer: an HDTV-capable digital video recorder

Question: Some cable boxes are capable of doing what?
Answer: receiving or recording two or more broadcasts at a time in HDTV format

Question: What restriction does W-VHS recordings have?
Answer: analog only

Question: What does D-VHS stand for?
Answer: Digital-VHS or Data-VHS

Question: When was the Hauppauge 1212 Personal Video Recorder introduced?
Answer: 2008

Question: How does the Personal Video Recorder store content?
Answer: in MPEG-2 format in a .ts file or in a Blu-ray compatible format .m2ts file

Question: Recent systems can record a broadcast HD program in what format?
Answer: 'as broadcast' format or transcode to a format more compatible with Blu-ray

Question: What uncompressed storage option was introduced in 2008?
Answer: the Hauppauge 1212 Personal Video Recorder

Question: W-VHS recorders are capable of recording what kinds of signals?
Answer: analog HD

Question: What kind of recorder is no longer produced for the consumer market?
Answer: Analog tape

Question: In the secondary market, analog tape recorders are considered what?
Answer: expensive and scarce

Question: Prior to 2004, what were US cable companies required to provide customers who rent HD set-top boxes?
Answer: a set-top box with "functional" FireWire (IEEE 1394) on request

Question: When were boxes with "functional" FireWire no longer included in the FCC mandate?
Answer: July 2004

Question: Content is now protected by what encryption?
Answer: 5C

Question: What can 5c encryption prevent?
Answer: duplication of content or simply limit the number of copies permitted

Question: In addition to being used to build things, what has wood been used for over thousands of years?
Answer: fuel

Question: What kind of strong fibers are part of the composite of wood?
Answer: cellulose

Question: What's the matrix in wood made up of?
Answer: lignin

Question: What one word describes the function wood provides to a tree or plant?
Answer: support

Question: What does wood convey to leaves, roots, and other tissues of a woody plant in addition to water?
Answer: nutrients

Question: How many cubic meters of growing stock forest are there on the planet?
Answer: 434 billion

Question: What percentage of the Earth's stock forest is commercial?
Answer: 47%

Question: In addition to buildings, what is wood often used to make?
Answer: furniture

Question: About how many cubic kilometers of the vast stock forest's wood were harvested in 1991?
Answer: 3.5

Question: In addition to being carbon neutral, what other adjective describes wood that makes it compelling as a renewable energy source?
Answer: abundant

Question: What year were the earliest plants that grew wood discovered?
Answer: 2011

Question: In which Canadian province were the oldest woody plants found?
Answer: New Brunswick

Question: If dendrochronology can't be used, what method would scientists employ to date wood?
Answer: carbon dating

Question: How many millions of years old were the plants that were discovered in New Brunswick?
Answer: 395 to 400

Question: What has been the primary purpose of wood for millennia other than fuel?
Answer: construction material

Question: What is often made of wood that provides shelter to people?
Answer: houses

Question: For clues about the climate of a place, we can look at variation in isotopic abundances or what other thing?
Answer: tree-ring widths

Question: What could be made out of wood that could be used to fight off attackers?
Answer: weapons