BackpropBuff/adversarial_qa_adversarialQA huggingface dataset:
Question: What identifies the highs and lows of the light sources?A CD is read by focusing a 780 nm wavelength (near infrared) semiconductor laser housed within the CD player, through the bottom of the polycarbonate layer. The change in height between pits and lands results in a difference in the way the light is reflected. By measuring the intensity change with a photodiode, the data can be read from the disc. In order to accommodate the spiral pattern of data, the semiconductor laser is placed on a swing arm within the disc tray of any CD player. This swing arm allows the laser to read information from the centre to the edge of a disc, without having to interrupt the spinning of the disc itself.

Answer:photodiode
Question: How is the bouncing of rays used?A CD is read by focusing a 780 nm wavelength (near infrared) semiconductor laser housed within the CD player, through the bottom of the polycarbonate layer. The change in height between pits and lands results in a difference in the way the light is reflected. By measuring the intensity change with a photodiode, the data can be read from the disc. In order to accommodate the spiral pattern of data, the semiconductor laser is placed on a swing arm within the disc tray of any CD player. This swing arm allows the laser to read information from the centre to the edge of a disc, without having to interrupt the spinning of the disc itself.

Answer:The change in height between pits and lands results in a difference in the way the light is reflected
Question: what is the first word in the second paragraph?A CD is read by focusing a 780 nm wavelength (near infrared) semiconductor laser housed within the CD player, through the bottom of the polycarbonate layer. The change in height between pits and lands results in a difference in the way the light is reflected. By measuring the intensity change with a photodiode, the data can be read from the disc. In order to accommodate the spiral pattern of data, the semiconductor laser is placed on a swing arm within the disc tray of any CD player. This swing arm allows the laser to read information from the centre to the edge of a disc, without having to interrupt the spinning of the disc itself.

Answer:change
Question: What began on 3rd month of the 83rd year of the 20th century?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:the "Big Bang" of the digital audio revolution
Question: What happened during the 88th year of the 20th century?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:400 million CDs were manufactured by 50 pressing plants around the world
Question: what is the first period in time mentioned?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:March 1983
Question: What is placed into CD players to play music?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:CDs
Question: what is the last place mentioned?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:the world
Question: what are the first machines mentioned?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:CD players
Question: Who made the first CD players?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:The Japanese
Question: what is the last period in time mentioned?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:1988
Question: What was first released during the 85th year of the 20th century?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:Brothers in Arms
Question: what is the first region mentioned?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:Europe
Question: What is the shape/form of  CDs?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:discs
Question: What kind of major artist was David Bowie?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:rock music
Question: What is a CD?The Japanese launch was followed in March 1983 by the introduction of CD players and discs to Europe and North America (where CBS Records released sixteen titles). This event is often seen as the "Big Bang" of the digital audio revolution. The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise. As the price of players gradually came down, and with the introduction of the portable Walkman the CD began to gain popularity in the larger popular and rock music markets. The first artist to sell a million copies on CD was Dire Straits, with their 1985 album Brothers in Arms. The first major artist to have his entire catalogue converted to CD was David Bowie, whose 15 studio albums were made available by RCA Records in February 1985, along with four greatest hits albums. In 1988, 400 million CDs were manufactured by 50 pressing plants around the world.

Answer:digital audio
Question: what piece of technology is mentioned last?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:Compact Disc
Question: What occurred in the 77th year of the 20th century?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation
Question: what period in time is mentioned second to last?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:1 March 1979
Question: Where did Nakajima work second, NHK or Sony?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:Sony
Question: What occurred in the 78th year of the 20th century?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code
Question: Which happened before 1971, Heitaro Nakajima developed an early digital audio recorder or his team developed a digital PCM adaptor audio tape recorder?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:developed an early digital audio recorder
Question: Which happened first, Heitaro Nakajima developed an early digital audio recorder or became general manager of Sony's audio department?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:developed an early digital audio recorder
Question: What occurred in the 74th year of the 20th century?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:the leap to storing digital audio on an optical disc was easily made
Question: what time span is mentioned last?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:A week
Question: what company is mentioned second to last?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:Sony
Question: what period in time is mentioned last?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:8 March
Question: Which happened before 1975, Heitaro Nakajima became general manager of Sony's audio department or Sony first publicly demonstrated an optical digital audio disc?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:became general manager of Sony's audio department
Question: Which happened sooner, Sony's AES technical paper was published or the 62nd AES Convention was held?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:Sony's AES technical paper was published
Question: What occurred in the 71st year of the 20th century?Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department in 1971. His team developed a digital PCM adaptor audio tape recorder using a Betamax video recorder in 1973. After this, in 1974 the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976. A year later, in September 1977, Sony showed the press a 30 cm disc that could play 60 minutes of digital audio (44,100 Hz sampling rate and 16-bit resolution) using MFM modulation. In September 1978, the company demonstrated an optical digital audio disc with a 150-minute playing time, 44,056 Hz sampling rate, 16-bit linear resolution, and cross-interleaved error correction code—specifications similar to those later settled upon for the standard Compact Disc format in 1980. Technical details of Sony's digital audio disc were presented during the 62nd AES Convention, held on 13–16 March 1979, in Brussels. Sony's AES technical paper was published on 1 March 1979. A week later, on 8 March, Philips publicly demonstrated a prototype of an optical digital audio disc at a press conference called "Philips Introduce Compact Disc" in Eindhoven, Netherlands.

Answer:Heitaro Nakajima, who developed an early digital audio recorder within Japan's national public broadcasting organization NHK in 1970, became general manager of Sony's audio department
Question: What is the acronym for All Terrain Vehicle?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:ATV
Question: If someone goes to North Carolina to have fun, what can they participate in?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:recreational activities
Question: What activity at which Suzi Chaffee was a champion, is available in the state Andy Griffith was born in?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:skiing
Question: Where do visitors go to experience the culture of North Carolina?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining
Question: Where are fall colors seen in North Carolina?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:mountains
Question: What types of piscatorial activity are available in the state Andy Griffith was born in?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:freshwater and saltwater fishing
Question: What type of garden, involving only trees, is available in the state Andy Griffith was born in?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:arboretums
Question: What activity that involves propelling yourself through water using your arms and legs, with no vehicle or device, is available in the state Andy Griffith was born in?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:swimming
Question: What locations from the past can someone visiting North Carolina go to?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:historic sites
Question: What does the beach bring to North Carolina?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:saltwater
Question: What activities in North Carolina should a tourist with acrophobia avoid?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:ballooning, rock climbing
Question: What activity that involves visting farms is available in the state Andy Griffith was born in?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:agritourism
Question: What bodies of water does North Carolina have?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:freshwater and saltwater
Question: What do people climb in North Carolina?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:rock
Question: Why is North Carolina attractive to outdoorsy tourists?North Carolina provides a large range of recreational activities, from swimming at the beach to skiing in the mountains. North Carolina offers fall colors, freshwater and saltwater fishing, hunting, birdwatching, agritourism, ATV trails, ballooning, rock climbing, biking, hiking, skiing, boating and sailing, camping, canoeing, caving (spelunking), gardens, and arboretums. North Carolina has theme parks, aquariums, museums, historic sites, lighthouses, elegant theaters, concert halls, and fine dining.

Answer:provides a large range of recreational activities, from swimming at the beach to skiing in the mountains
Question: What effected the political climate in North Carolina until the 20th century?Differences in the settlement patterns of eastern and western North Carolina, or the Low Country and uplands, affected the political, economic, and social life of the state from the 18th until the 20th century. The Tidewater in eastern North Carolina was settled chiefly by immigrants from rural England and the Scottish Highlands. The upcountry of western North Carolina was settled chiefly by Scots-Irish, English, and German Protestants, the so-called "cohee". Arriving during the mid- to late 18th century, the Scots-Irish from what is today Northern Ireland were the largest non-English immigrant group before the Revolution; English indentured servants were overwhelmingly the largest immigrant group before the Revolution. During the American Revolutionary War, the English and Highland Scots of eastern North Carolina tended to remain loyal to the British Crown, because of longstanding business and personal connections with Great Britain. The English, Welsh, Scots-Irish, and German settlers of western North Carolina tended to favor American independence from Britain.

Answer:settlement patterns
Question: What region of Carolina supported the revolutionary war?Differences in the settlement patterns of eastern and western North Carolina, or the Low Country and uplands, affected the political, economic, and social life of the state from the 18th until the 20th century. The Tidewater in eastern North Carolina was settled chiefly by immigrants from rural England and the Scottish Highlands. The upcountry of western North Carolina was settled chiefly by Scots-Irish, English, and German Protestants, the so-called "cohee". Arriving during the mid- to late 18th century, the Scots-Irish from what is today Northern Ireland were the largest non-English immigrant group before the Revolution; English indentured servants were overwhelmingly the largest immigrant group before the Revolution. During the American Revolutionary War, the English and Highland Scots of eastern North Carolina tended to remain loyal to the British Crown, because of longstanding business and personal connections with Great Britain. The English, Welsh, Scots-Irish, and German settlers of western North Carolina tended to favor American independence from Britain.

Answer:western North Carolina