id stringlengths 24 24 | question stringlengths 1 270 | answer stringlengths 1 239 | documents listlengths 1 1 |
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572801402ca10214002d9b32 | What does the USB specification require prior to the Battery Charging Specification? | that devices connect in a low-power mode (100 mA maximum) and communicate their current requirements to the host | [
"USB\n\nSome non-standard USB devices use the 5 V power supply without participating in a proper USB network, which negotiates power draw with the host interface. These are usually called USB decorations.[citation needed] Examples include USB-powered keyboard lights, fans, mug coolers and heaters, battery chargers,... |
572801e6ff5b5019007d9ad6 | How is the USB data transmitted? | by toggling the data lines between the J state and the opposite K state | [
"USB\n\nUSB data is transmitted by toggling the data lines between the J state and the opposite K state. USB encodes data using the NRZI line coding; a 0 bit is transmitted by toggling the data lines from J to K or vice versa, while a 1 bit is transmitted by leaving the data lines as-is. To ensure a minimum density... |
572801e6ff5b5019007d9ad7 | What does USB use to encode data? | the NRZI line coding | [
"USB\n\nUSB data is transmitted by toggling the data lines between the J state and the opposite K state. USB encodes data using the NRZI line coding; a 0 bit is transmitted by toggling the data lines from J to K or vice versa, while a 1 bit is transmitted by leaving the data lines as-is. To ensure a minimum density... |
572801e6ff5b5019007d9ad8 | To ensure a minimum density of signal transitions remains in the bitsream, what does USB use? | bit stuffing | [
"USB\n\nUSB data is transmitted by toggling the data lines between the J state and the opposite K state. USB encodes data using the NRZI line coding; a 0 bit is transmitted by toggling the data lines from J to K or vice versa, while a 1 bit is transmitted by leaving the data lines as-is. To ensure a minimum density... |
572802ac2ca10214002d9b64 | What is a USB packet's end called? | EOP (end-of-packet) | [
"USB\n\nA USB packet's end, called EOP (end-of-packet), is indicated by the transmitter driving 2 bit times of SE0 (D+ and D− both below max.) and 1 bit time of J state. After this, the transmitter ceases to drive the D+/D− lines and the aforementioned pull up resistors hold it in the J (idle) state. Sometimes skew... |
572802ac2ca10214002d9b65 | What can skew due to hubs add? | as much as one bit time before the SE0 of the end of packet | [
"USB\n\nA USB packet's end, called EOP (end-of-packet), is indicated by the transmitter driving 2 bit times of SE0 (D+ and D− both below max.) and 1 bit time of J state. After this, the transmitter ceases to drive the D+/D− lines and the aforementioned pull up resistors hold it in the J (idle) state. Sometimes skew... |
572802ac2ca10214002d9b66 | What can this extra bit result in? | "bit stuff violation | [
"USB\n\nA USB packet's end, called EOP (end-of-packet), is indicated by the transmitter driving 2 bit times of SE0 (D+ and D− both below max.) and 1 bit time of J state. After this, the transmitter ceases to drive the D+/D− lines and the aforementioned pull up resistors hold it in the J (idle) state. Sometimes skew... |
5728037eff5b5019007d9aee | What type of protocol is used for USB 2.0 devices during a reset? | a special protocol | [
"USB\n\nUSB 2.0 devices use a special protocol during reset, called chirping, to negotiate the high bandwidth mode with the host/hub. A device that is HS capable first connects as an FS device (D+ pulled high), but upon receiving a USB RESET (both D+ and D− driven LOW by host for 10 to 20 ms) it pulls the D− line h... |
5728037eff5b5019007d9aef | What is the special protocol during a USB 2.0 device reset called? | chirping | [
"USB\n\nUSB 2.0 devices use a special protocol during reset, called chirping, to negotiate the high bandwidth mode with the host/hub. A device that is HS capable first connects as an FS device (D+ pulled high), but upon receiving a USB RESET (both D+ and D− driven LOW by host for 10 to 20 ms) it pulls the D− line h... |
5728037eff5b5019007d9af0 | A device that is HS capable first connects as a what? | an FS device (D+ pulled high) | [
"USB\n\nUSB 2.0 devices use a special protocol during reset, called chirping, to negotiate the high bandwidth mode with the host/hub. A device that is HS capable first connects as an FS device (D+ pulled high), but upon receiving a USB RESET (both D+ and D− driven LOW by host for 10 to 20 ms) it pulls the D− line h... |
572804212ca10214002d9b8e | Write operations to typical Hi-Speed hard drives can what? | sustain rates of 25–30 MB/s, | [
"USB\n\nAccording to routine testing performed by CNet, write operations to typical Hi-Speed (USB 2.0) hard drives can sustain rates of 25–30 MB/s, while read operations are at 30–42 MB/s; this is 70% of the total available bus bandwidth. For USB 3.0, typical write speed is 70–90 MB/s, while read speed is 90–110 MB... |
572804212ca10214002d9b8f | For USB 3.0, typical write speed is what? | 70–90 MB/s | [
"USB\n\nAccording to routine testing performed by CNet, write operations to typical Hi-Speed (USB 2.0) hard drives can sustain rates of 25–30 MB/s, while read operations are at 30–42 MB/s; this is 70% of the total available bus bandwidth. For USB 3.0, typical write speed is 70–90 MB/s, while read speed is 90–110 MB... |
572804212ca10214002d9b90 | What is the read speed for USB 3.0? | 90–110 MB/s | [
"USB\n\nAccording to routine testing performed by CNet, write operations to typical Hi-Speed (USB 2.0) hard drives can sustain rates of 25–30 MB/s, while read operations are at 30–42 MB/s; this is 70% of the total available bus bandwidth. For USB 3.0, typical write speed is 70–90 MB/s, while read speed is 90–110 MB... |
5728046cff5b5019007d9b04 | After the sync field, all packets are made of how many bit bytes? | 8-bit bytes | [
"USB\n\nAfter the sync field, all packets are made of 8-bit bytes, transmitted least-significant bit first. The first byte is a packet identifier (PID) byte. The PID is actually 4 bits; the byte consists of the 4-bit PID followed by its bitwise complement. This redundancy helps detect errors. (Note also that a PID ... |
5728046cff5b5019007d9b05 | How are the bit bytes transmitted? | least-significant bit first | [
"USB\n\nAfter the sync field, all packets are made of 8-bit bytes, transmitted least-significant bit first. The first byte is a packet identifier (PID) byte. The PID is actually 4 bits; the byte consists of the 4-bit PID followed by its bitwise complement. This redundancy helps detect errors. (Note also that a PID ... |
5728046cff5b5019007d9b06 | The first byte is what? | a packet identifier (PID) byte | [
"USB\n\nAfter the sync field, all packets are made of 8-bit bytes, transmitted least-significant bit first. The first byte is a packet identifier (PID) byte. The PID is actually 4 bits; the byte consists of the 4-bit PID followed by its bitwise complement. This redundancy helps detect errors. (Note also that a PID ... |
572804e7ff5b5019007d9b0a | Handshake packets consist of only a single what? | PID byte | [
"USB\n\nHandshake packets consist of only a single PID byte, and are generally sent in response to data packets. Error detection is provided by transmitting four bits that represent the packet type twice, in a single PID byte using complemented form. Three basic types are ACK, indicating that data was successfully ... |
572804e7ff5b5019007d9b0b | When are handshake packets generally sent? | in response to data packets | [
"USB\n\nHandshake packets consist of only a single PID byte, and are generally sent in response to data packets. Error detection is provided by transmitting four bits that represent the packet type twice, in a single PID byte using complemented form. Three basic types are ACK, indicating that data was successfully ... |
572804e7ff5b5019007d9b0c | What is provided by transmitting four bits that represent the packet type twice, in a single PID byte using complemented form? | Error detection | [
"USB\n\nHandshake packets consist of only a single PID byte, and are generally sent in response to data packets. Error detection is provided by transmitting four bits that represent the packet type twice, in a single PID byte using complemented form. Three basic types are ACK, indicating that data was successfully ... |
5728052d4b864d190016424a | IN and OUT tokens contain what? | a seven-bit device number and four-bit function number | [
"USB\n\nIN and OUT tokens contain a seven-bit device number and four-bit function number (for multifunction devices) and command the device to transmit DATAx packets, or receive the following DATAx packets, respectively. An IN token expects a response from a device. The response may be a NAK or STALL response, or a... |
5728052d4b864d190016424b | An IN token expects what? | a response from a device | [
"USB\n\nIN and OUT tokens contain a seven-bit device number and four-bit function number (for multifunction devices) and command the device to transmit DATAx packets, or receive the following DATAx packets, respectively. An IN token expects a response from a device. The response may be a NAK or STALL response, or a... |
5728052d4b864d190016424c | An OUT token is followed immediately by a what? | DATAx frame | [
"USB\n\nIN and OUT tokens contain a seven-bit device number and four-bit function number (for multifunction devices) and command the device to transmit DATAx packets, or receive the following DATAx packets, respectively. An IN token expects a response from a device. The response may be a NAK or STALL response, or a... |
572805c04b864d1900164258 | a larger three-byte SPLIT token with a seven-bit hub number, 12 bits of control flags, and a five-bit CRC were created to do what? | to perform split transactions | [
"USB\n\nUSB 2.0 also added a larger three-byte SPLIT token with a seven-bit hub number, 12 bits of control flags, and a five-bit CRC. This is used to perform split transactions. Rather than tie up the high-bandwidth USB bus sending data to a slower USB device, the nearest high-bandwidth capable hub receives a SPLIT... |
572805c04b864d1900164259 | Rather than tie up the high-bandwidth USB bus sending data to a slower USB device, what happens? | the nearest high-bandwidth capable hub receives a SPLIT token followed by one or two USB packets at high bandwidth | [
"USB\n\nUSB 2.0 also added a larger three-byte SPLIT token with a seven-bit hub number, 12 bits of control flags, and a five-bit CRC. This is used to perform split transactions. Rather than tie up the high-bandwidth USB bus sending data to a slower USB device, the nearest high-bandwidth capable hub receives a SPLIT... |
572805c04b864d190016425a | How many bits of control flags did USB 2.0 add? | 12 bits | [
"USB\n\nUSB 2.0 also added a larger three-byte SPLIT token with a seven-bit hub number, 12 bits of control flags, and a five-bit CRC. This is used to perform split transactions. Rather than tie up the high-bandwidth USB bus sending data to a slower USB device, the nearest high-bandwidth capable hub receives a SPLIT... |
572806052ca10214002d9bd2 | There are two basic forms of data packet, what are they? | DATA0 and DATA1 | [
"USB\n\nThere are two basic forms of data packet, DATA0 and DATA1. A data packet must always be preceded by an address token, and is usually followed by a handshake token from the receiver back to the transmitter. The two packet types provide the 1-bit sequence number required by Stop-and-wait ARQ. If a USB host do... |
572806052ca10214002d9bd3 | A data packet must always be preceded by what? | an address token | [
"USB\n\nThere are two basic forms of data packet, DATA0 and DATA1. A data packet must always be preceded by an address token, and is usually followed by a handshake token from the receiver back to the transmitter. The two packet types provide the 1-bit sequence number required by Stop-and-wait ARQ. If a USB host do... |
572806052ca10214002d9bd4 | What is a data packet usually followed by? | a handshake token from the receiver back to the transmitter | [
"USB\n\nThere are two basic forms of data packet, DATA0 and DATA1. A data packet must always be preceded by an address token, and is usually followed by a handshake token from the receiver back to the transmitter. The two packet types provide the 1-bit sequence number required by Stop-and-wait ARQ. If a USB host do... |
572806764b864d190016426e | Low-bandwidth devices are supported with what? | a special PID value, PRE | [
"USB\n\nLow-bandwidth devices are supported with a special PID value, PRE. This marks the beginning of a low-bandwidth packet, and is used by hubs that normally do not send full-bandwidth packets to low-bandwidth devices. Since all PID bytes include four 0 bits, they leave the bus in the full-bandwidth K state, whi... |
572806764b864d190016426f | All PID bytes include how many 0 bits? | four 0 bits | [
"USB\n\nLow-bandwidth devices are supported with a special PID value, PRE. This marks the beginning of a low-bandwidth packet, and is used by hubs that normally do not send full-bandwidth packets to low-bandwidth devices. Since all PID bytes include four 0 bits, they leave the bus in the full-bandwidth K state, whi... |
572806764b864d1900164270 | Full-bandwidth devices other than hubs can what? | simply ignore the PRE packet and its low-bandwidth contents | [
"USB\n\nLow-bandwidth devices are supported with a special PID value, PRE. This marks the beginning of a low-bandwidth packet, and is used by hubs that normally do not send full-bandwidth packets to low-bandwidth devices. Since all PID bytes include four 0 bits, they leave the bus in the full-bandwidth K state, whi... |
572806d64b864d1900164274 | These and other differences reflect the differing design goals of what? | two buses | [
"USB\n\nThese and other differences reflect the differing design goals of the two buses: USB was designed for simplicity and low cost, while FireWire was designed for high performance, particularly in time-sensitive applications such as audio and video. Although similar in theoretical maximum transfer rate, FireWir... |
572806d64b864d1900164275 | USB was designed for what? | simplicity and low cost | [
"USB\n\nThese and other differences reflect the differing design goals of the two buses: USB was designed for simplicity and low cost, while FireWire was designed for high performance, particularly in time-sensitive applications such as audio and video. Although similar in theoretical maximum transfer rate, FireWir... |
572806d64b864d1900164276 | FireWire was designed for what? | high performance, particularly in time-sensitive applications such as audio and video | [
"USB\n\nThese and other differences reflect the differing design goals of the two buses: USB was designed for simplicity and low cost, while FireWire was designed for high performance, particularly in time-sensitive applications such as audio and video. Although similar in theoretical maximum transfer rate, FireWir... |
572806d64b864d1900164277 | FireWire 400 is faster than what? | USB 2.0 Hi-Bandwidth in real-use | [
"USB\n\nThese and other differences reflect the differing design goals of the two buses: USB was designed for simplicity and low cost, while FireWire was designed for high performance, particularly in time-sensitive applications such as audio and video. Although similar in theoretical maximum transfer rate, FireWir... |
5728073c3acd2414000df297 | The IEEE 802.3af Power over Ethernet (PoE) standard specifies a what? | more elaborate power negotiation scheme than powered USB | [
"USB\n\nThe IEEE 802.3af Power over Ethernet (PoE) standard specifies a more elaborate power negotiation scheme than powered USB. It operates at 48 V DC and can supply more power (up to 12.95 W, PoE+ 25.5 W) over a cable up to 100 meters compared to USB 2.0, which provides 2.5 W with a maximum cable length of 5 met... |
5728073c3acd2414000df298 | Is USB cheaper or more expensive than PoE? | cheaper | [
"USB\n\nThe IEEE 802.3af Power over Ethernet (PoE) standard specifies a more elaborate power negotiation scheme than powered USB. It operates at 48 V DC and can supply more power (up to 12.95 W, PoE+ 25.5 W) over a cable up to 100 meters compared to USB 2.0, which provides 2.5 W with a maximum cable length of 5 met... |
5728073c3acd2414000df299 | What keeps USB cheaper than PoE? | the distance is short, and power demand is low. | [
"USB\n\nThe IEEE 802.3af Power over Ethernet (PoE) standard specifies a more elaborate power negotiation scheme than powered USB. It operates at 48 V DC and can supply more power (up to 12.95 W, PoE+ 25.5 W) over a cable up to 100 meters compared to USB 2.0, which provides 2.5 W with a maximum cable length of 5 met... |
572807b82ca10214002d9c02 | USB was designed for peripherals to be what? | closely associated with a host computer | [
"USB\n\nEthernet standards require electrical isolation between the networked device (computer, phone, etc.) and the network cable up to 1500 V AC or 2250 V DC for 60 seconds. USB has no such requirement as it was designed for peripherals closely associated with a host computer, and in fact it connects the peripher... |
572807b82ca10214002d9c03 | USB connects what? | the peripheral and host grounds | [
"USB\n\nEthernet standards require electrical isolation between the networked device (computer, phone, etc.) and the network cable up to 1500 V AC or 2250 V DC for 60 seconds. USB has no such requirement as it was designed for peripherals closely associated with a host computer, and in fact it connects the peripher... |
572807b82ca10214002d9c04 | Ethernet standards require what? | isolation between the networked device (computer, phone, etc.) and the network cable up to 1500 V AC or 2250 V DC for 60 seconds | [
"USB\n\nEthernet standards require electrical isolation between the networked device (computer, phone, etc.) and the network cable up to 1500 V AC or 2250 V DC for 60 seconds. USB has no such requirement as it was designed for peripherals closely associated with a host computer, and in fact it connects the peripher... |
572808053acd2414000df2bb | eSATA does not supply power to what? | external devices | [
"USB\n\neSATA does not supply power to external devices. This is an increasing disadvantage compared to USB. Even though USB 3.0's 4.5 W is sometimes insufficient to power external hard drives, technology is advancing and external drives gradually need less power, diminishing the eSATA advantage. eSATAp (power over... |
572808053acd2414000df2bc | Even though USB 3.0's 4.5 W is sometimes insufficient to power external hard drives, technology is what? | advancing and external drives gradually need less power | [
"USB\n\neSATA does not supply power to external devices. This is an increasing disadvantage compared to USB. Even though USB 3.0's 4.5 W is sometimes insufficient to power external hard drives, technology is advancing and external drives gradually need less power, diminishing the eSATA advantage. eSATAp (power over... |
572808053acd2414000df2bd | On a notebook eSATAp usually supplies how much power? | 5 V to power a 2.5-inch HDD/SSD | [
"USB\n\neSATA does not supply power to external devices. This is an increasing disadvantage compared to USB. Even though USB 3.0's 4.5 W is sometimes insufficient to power external hard drives, technology is advancing and external drives gradually need less power, diminishing the eSATA advantage. eSATAp (power over... |
5728089f2ca10214002d9c12 | USB 2.0 High-Speed Inter-Chip (HSIC) is a what? | chip-to-chip variant of USB 2.0 | [
"USB\n\nUSB 2.0 High-Speed Inter-Chip (HSIC) is a chip-to-chip variant of USB 2.0 that eliminates the conventional analog transceivers found in normal USB. It was adopted as a standard by the USB Implementers Forum in 2007. The HSIC physical layer uses about 50% less power and 75% less board area compared to tradit... |
5728089f2ca10214002d9c13 | What does USB 2.0 High-Speed Inter-Chip eliminate? | the conventional analog transceivers found in normal USB | [
"USB\n\nUSB 2.0 High-Speed Inter-Chip (HSIC) is a chip-to-chip variant of USB 2.0 that eliminates the conventional analog transceivers found in normal USB. It was adopted as a standard by the USB Implementers Forum in 2007. The HSIC physical layer uses about 50% less power and 75% less board area compared to tradit... |
5728089f2ca10214002d9c14 | When was the USB 2.0 High-Speed Inter-Chip adopted as the standard by the USB Implementers Forum | 2007 | [
"USB\n\nUSB 2.0 High-Speed Inter-Chip (HSIC) is a chip-to-chip variant of USB 2.0 that eliminates the conventional analog transceivers found in normal USB. It was adopted as a standard by the USB Implementers Forum in 2007. The HSIC physical layer uses about 50% less power and 75% less board area compared to tradit... |
5727ad322ca10214002d936c | What was Sichuan referred to as by ancient Chinese sources? | Ba-Shu | [
"Sichuan\n\nThroughout its prehistory and early history, the region and its vicinity in the Yangtze region was the cradle of unique local civilizations which can be dated back to at least the 15th century BC and coinciding with the later years of the Shang and Zhou dynasties in North China. Sichuan was referred to ... |
5727ad322ca10214002d936d | How far back can civilizations in the Yangtze region be dated? | at least the 15th century BC | [
"Sichuan\n\nThroughout its prehistory and early history, the region and its vicinity in the Yangtze region was the cradle of unique local civilizations which can be dated back to at least the 15th century BC and coinciding with the later years of the Shang and Zhou dynasties in North China. Sichuan was referred to ... |
5727ad322ca10214002d936e | Where were the kingdoms of Ba and Shu located? | within the Sichuan Basin | [
"Sichuan\n\nThroughout its prehistory and early history, the region and its vicinity in the Yangtze region was the cradle of unique local civilizations which can be dated back to at least the 15th century BC and coinciding with the later years of the Shang and Zhou dynasties in North China. Sichuan was referred to ... |
5727ad322ca10214002d936f | What land was included in the kingdom of Ba? | Chongqing and the land in eastern Sichuan along the Yangtze and some tributary streams | [
"Sichuan\n\nThroughout its prehistory and early history, the region and its vicinity in the Yangtze region was the cradle of unique local civilizations which can be dated back to at least the 15th century BC and coinciding with the later years of the Shang and Zhou dynasties in North China. Sichuan was referred to ... |
5727ad322ca10214002d9370 | What land was included in the kingdom of Shu? | Chengdu, its surrounding plain and adjacent territories in western Sichuan | [
"Sichuan\n\nThroughout its prehistory and early history, the region and its vicinity in the Yangtze region was the cradle of unique local civilizations which can be dated back to at least the 15th century BC and coinciding with the later years of the Shang and Zhou dynasties in North China. Sichuan was referred to ... |
5727ae5f4b864d1900163a38 | What did Emperor Duyu transform himself into after his death? | a cuckoo | [
"Sichuan\n\nThe existence of the early state of Shu was poorly recorded in the main historical records of China. It was, however, referred to in the Book of Documents as an ally of the Zhou. Accounts of Shu exist mainly as a mixture of mythological stories and historical legends recorded in local annals such as the... |
5727ae5f4b864d1900163a39 | What does the name Shu refer to? | Sichuan in subsequent periods in Chinese history up to the present day. | [
"Sichuan\n\nThe existence of the early state of Shu was poorly recorded in the main historical records of China. It was, however, referred to in the Book of Documents as an ally of the Zhou. Accounts of Shu exist mainly as a mixture of mythological stories and historical legends recorded in local annals such as the... |
5727ae5f4b864d1900163a3a | When was the site believed to be ancient city of Shu discovered, and by whom? | a local farmer in 1929 | [
"Sichuan\n\nThe existence of the early state of Shu was poorly recorded in the main historical records of China. It was, however, referred to in the Book of Documents as an ally of the Zhou. Accounts of Shu exist mainly as a mixture of mythological stories and historical legends recorded in local annals such as the... |
5727ae5f4b864d1900163a3b | The Shu were an ally of who, according to the Book of Documents? | the Zhou | [
"Sichuan\n\nThe existence of the early state of Shu was poorly recorded in the main historical records of China. It was, however, referred to in the Book of Documents as an ally of the Zhou. Accounts of Shu exist mainly as a mixture of mythological stories and historical legends recorded in local annals such as the... |
5727ae5f4b864d1900163a3c | When were the Chronicles of Huayang compiled? | the Jin dynasty (265–420) | [
"Sichuan\n\nThe existence of the early state of Shu was poorly recorded in the main historical records of China. It was, however, referred to in the Book of Documents as an ally of the Zhou. Accounts of Shu exist mainly as a mixture of mythological stories and historical legends recorded in local annals such as the... |
5727aee02ca10214002d93b0 | What surrounds the Sichuan basin to the west? | the Himalayas | [
"Sichuan\n\nThe rulers of the expansionist Qin dynasty, based in present-day Gansu and Shaanxi, were only the first strategists to realize that the area's military importance matched its commercial and agricultural significance. The Sichuan basin is surrounded by the Himalayas to the west, the Qin Mountains to the ... |
5727aee02ca10214002d93b1 | What mountains surround the Sichuan basin to the North? | Qin Mountains | [
"Sichuan\n\nThe rulers of the expansionist Qin dynasty, based in present-day Gansu and Shaanxi, were only the first strategists to realize that the area's military importance matched its commercial and agricultural significance. The Sichuan basin is surrounded by the Himalayas to the west, the Qin Mountains to the ... |
5727aee02ca10214002d93b2 | What river flows through the Sichuan basin? | Yangtze | [
"Sichuan\n\nThe rulers of the expansionist Qin dynasty, based in present-day Gansu and Shaanxi, were only the first strategists to realize that the area's military importance matched its commercial and agricultural significance. The Sichuan basin is surrounded by the Himalayas to the west, the Qin Mountains to the ... |
5727aee02ca10214002d93b3 | Where was the Qin dynasty based? | present-day Gansu and Shaanxi | [
"Sichuan\n\nThe rulers of the expansionist Qin dynasty, based in present-day Gansu and Shaanxi, were only the first strategists to realize that the area's military importance matched its commercial and agricultural significance. The Sichuan basin is surrounded by the Himalayas to the west, the Qin Mountains to the ... |
5727aee02ca10214002d93b4 | What surrounds the Sichuan basin to the South? | mountainous areas of Yunnan | [
"Sichuan\n\nThe rulers of the expansionist Qin dynasty, based in present-day Gansu and Shaanxi, were only the first strategists to realize that the area's military importance matched its commercial and agricultural significance. The Sichuan basin is surrounded by the Himalayas to the west, the Qin Mountains to the ... |
5727af8b4b864d1900163a5e | By what year did the Qin armies finish their conquest of Shu and Ba? | 316 BC | [
"Sichuan\n\nQin armies finished their conquest of the kingdoms of Shu and Ba by 316 BC. Any written records and civil achievements of earlier kingdoms were destroyed. Qin administrators introduced improved agricultural technology. Li Bing, engineered the Dujiangyan irrigation system to control the Min River, a majo... |
5727af8b4b864d1900163a5f | What did Qin administrators introduce to Shu and Ba? | improved agricultural technology. | [
"Sichuan\n\nQin armies finished their conquest of the kingdoms of Shu and Ba by 316 BC. Any written records and civil achievements of earlier kingdoms were destroyed. Qin administrators introduced improved agricultural technology. Li Bing, engineered the Dujiangyan irrigation system to control the Min River, a majo... |
5727af8b4b864d1900163a60 | Who engineered the Dujiangyan irrigation system to control the Min River? | Li Bing | [
"Sichuan\n\nQin armies finished their conquest of the kingdoms of Shu and Ba by 316 BC. Any written records and civil achievements of earlier kingdoms were destroyed. Qin administrators introduced improved agricultural technology. Li Bing, engineered the Dujiangyan irrigation system to control the Min River, a majo... |
5727af8b4b864d1900163a61 | The Min River is a major tributary of what river? | Yangtze | [
"Sichuan\n\nQin armies finished their conquest of the kingdoms of Shu and Ba by 316 BC. Any written records and civil achievements of earlier kingdoms were destroyed. Qin administrators introduced improved agricultural technology. Li Bing, engineered the Dujiangyan irrigation system to control the Min River, a majo... |
5727af8b4b864d1900163a62 | The Dujiangyan irrigation system was used for what purpose? | to either provide irrigation or prevent floods. | [
"Sichuan\n\nQin armies finished their conquest of the kingdoms of Shu and Ba by 316 BC. Any written records and civil achievements of earlier kingdoms were destroyed. Qin administrators introduced improved agricultural technology. Li Bing, engineered the Dujiangyan irrigation system to control the Min River, a majo... |
5727b0563acd2414000de9cb | During which dynasty did Sichuan regain its political and cultural prominence for which it was known during the Han? | Tang dynasty | [
"Sichuan\n\nSichuan came under the firm control of a Chinese central government during the Sui dynasty, but it was during the subsequent Tang dynasty where Sichuan regained its previous political and cultural prominence for which it was known during the Han. Chengdu became nationally known as a supplier of armies a... |
5727b0563acd2414000de9cc | Who was known as China's greatest poet and lived in Chengdu? | Du Fu | [
"Sichuan\n\nSichuan came under the firm control of a Chinese central government during the Sui dynasty, but it was during the subsequent Tang dynasty where Sichuan regained its previous political and cultural prominence for which it was known during the Han. Chengdu became nationally known as a supplier of armies a... |
5727b0563acd2414000de9cd | What was Chengu known to supply the country with? | armies | [
"Sichuan\n\nSichuan came under the firm control of a Chinese central government during the Sui dynasty, but it was during the subsequent Tang dynasty where Sichuan regained its previous political and cultural prominence for which it was known during the Han. Chengdu became nationally known as a supplier of armies a... |
5727b0563acd2414000de9ce | Which years saw the An Lushan Rebellion? | 755-763 | [
"Sichuan\n\nSichuan came under the firm control of a Chinese central government during the Sui dynasty, but it was during the subsequent Tang dynasty where Sichuan regained its previous political and cultural prominence for which it was known during the Han. Chengdu became nationally known as a supplier of armies a... |
5727b0563acd2414000de9cf | Which empire ravished the Chengdu region with constant warfare and economic distress? | the Tibetan Empire | [
"Sichuan\n\nSichuan came under the firm control of a Chinese central government during the Sui dynasty, but it was during the subsequent Tang dynasty where Sichuan regained its previous political and cultural prominence for which it was known during the Han. Chengdu became nationally known as a supplier of armies a... |
5727b1112ca10214002d9400 | What was the nickname rebel leader Zhang Xianzhong? | Yellow Tiger | [
"Sichuan\n\nIn the middle of the 17th century, the peasant rebel leader Zhang Xianzhong (1606–1646) from Yan'an, Shanxi Province, nicknamed Yellow Tiger, led his peasant troop from north China to the south, and conquered Sichuan. Upon capturing it, he declared himself emperor of the Daxi Dynasty (大西王朝). In response... |
5727b1112ca10214002d9401 | Which region did Yellow Tiger conquer in the mid-17th century? | Sichuan | [
"Sichuan\n\nIn the middle of the 17th century, the peasant rebel leader Zhang Xianzhong (1606–1646) from Yan'an, Shanxi Province, nicknamed Yellow Tiger, led his peasant troop from north China to the south, and conquered Sichuan. Upon capturing it, he declared himself emperor of the Daxi Dynasty (大西王朝). In response... |
5727b1112ca10214002d9402 | Which dynasty did Yellow Tiger declare himself the emperor of? | Daxi Dynasty | [
"Sichuan\n\nIn the middle of the 17th century, the peasant rebel leader Zhang Xianzhong (1606–1646) from Yan'an, Shanxi Province, nicknamed Yellow Tiger, led his peasant troop from north China to the south, and conquered Sichuan. Upon capturing it, he declared himself emperor of the Daxi Dynasty (大西王朝). In response... |
5727b1112ca10214002d9403 | Which province supplied a large amount of people to the Sichuan resettlement, following years of turmoil during the Ming-Qing transition? | Huguang Province | [
"Sichuan\n\nIn the middle of the 17th century, the peasant rebel leader Zhang Xianzhong (1606–1646) from Yan'an, Shanxi Province, nicknamed Yellow Tiger, led his peasant troop from north China to the south, and conquered Sichuan. Upon capturing it, he declared himself emperor of the Daxi Dynasty (大西王朝). In response... |
5727b1b72ca10214002d9408 | To which city was the Chinese capitol relocated to during Japanese occupation in the 20th century? | Chongqing | [
"Sichuan\n\nIn the 20th century, as Beijing, Shanghai, Nanjing, and Wuhan had all been occupied by the Japanese during the Second Sino-Japanese War, the capital of the Republic of China had been temporary relocated to Chongqing, then a major city in Sichuan. An enduring legacy of this move is that nearby inland pro... |
5727b1b72ca10214002d9409 | What are some major cities occupied by the Chinese during the Second Sino-Japanese War? | Beijing, Shanghai, Nanjing, and Wuhan | [
"Sichuan\n\nIn the 20th century, as Beijing, Shanghai, Nanjing, and Wuhan had all been occupied by the Japanese during the Second Sino-Japanese War, the capital of the Republic of China had been temporary relocated to Chongqing, then a major city in Sichuan. An enduring legacy of this move is that nearby inland pro... |
5727b1b72ca10214002d940a | What are some inland provinces that began to develop modern, westernized education systems? | Shaanxi, Gansu, and Guizhou | [
"Sichuan\n\nIn the 20th century, as Beijing, Shanghai, Nanjing, and Wuhan had all been occupied by the Japanese during the Second Sino-Japanese War, the capital of the Republic of China had been temporary relocated to Chongqing, then a major city in Sichuan. An enduring legacy of this move is that nearby inland pro... |
5727b1b72ca10214002d940b | What are some reasons for the lack of accurate Japanese bombing during the Second Sino-Japanese War in the Sichuan Basin? | The difficulty of accessing the region overland from the eastern part of China and the foggy climate | [
"Sichuan\n\nIn the 20th century, as Beijing, Shanghai, Nanjing, and Wuhan had all been occupied by the Japanese during the Second Sino-Japanese War, the capital of the Republic of China had been temporary relocated to Chongqing, then a major city in Sichuan. An enduring legacy of this move is that nearby inland pro... |
5727b298ff5b5019007d92ca | What group was the main antagonist during the Chinese Civil War? | the Communists | [
"Sichuan\n\nThe Second Sino-Japanese War was soon followed by the resumed Chinese Civil War, and the cities of East China fell to the Communists one after another, the Kuomintang government again tried to make Sichuan its stronghold on the mainland, although it already saw some Communist activity since it was one a... |
5727b298ff5b5019007d92cb | Who led the defense of Chongqing in November 1949? | Chiang Kai-Shek | [
"Sichuan\n\nThe Second Sino-Japanese War was soon followed by the resumed Chinese Civil War, and the cities of East China fell to the Communists one after another, the Kuomintang government again tried to make Sichuan its stronghold on the mainland, although it already saw some Communist activity since it was one a... |
5727b298ff5b5019007d92cc | On what date in 1949 did Chengdu fall to the communists? | 10 December | [
"Sichuan\n\nThe Second Sino-Japanese War was soon followed by the resumed Chinese Civil War, and the cities of East China fell to the Communists one after another, the Kuomintang government again tried to make Sichuan its stronghold on the mainland, although it already saw some Communist activity since it was one a... |
5727b298ff5b5019007d92cd | Why did Sichuan see some communist activity? | it was one area on the road of the Long March | [
"Sichuan\n\nThe Second Sino-Japanese War was soon followed by the resumed Chinese Civil War, and the cities of East China fell to the Communists one after another, the Kuomintang government again tried to make Sichuan its stronghold on the mainland, although it already saw some Communist activity since it was one a... |
5727b3704b864d1900163aae | What Chinese Province had the largest population until 1997? | Sichuan | [
"Sichuan\n\nFrom 1955 until 1997 Sichuan had been China's most populous province, hitting 100 million mark shortly after the 1982 census figure of 99,730,000. This changed in 1997 when the Sub-provincial city of Chongqing as well as the three surrounding prefectures of Fuling, Wanxian, and Qianjiang were split off ... |
5727b3704b864d1900163aaf | Why did Sichuan lose its status as the most populous Province in 1997? | Chongqing as well as the three surrounding prefectures of Fuling, Wanxian, and Qianjiang were split off into the new Chongqing Municipality. | [
"Sichuan\n\nFrom 1955 until 1997 Sichuan had been China's most populous province, hitting 100 million mark shortly after the 1982 census figure of 99,730,000. This changed in 1997 when the Sub-provincial city of Chongqing as well as the three surrounding prefectures of Fuling, Wanxian, and Qianjiang were split off ... |
5727b3704b864d1900163ab0 | Why was the Chongqing Municipality formed? | to spearhead China's effort to economically develop its western provinces | [
"Sichuan\n\nFrom 1955 until 1997 Sichuan had been China's most populous province, hitting 100 million mark shortly after the 1982 census figure of 99,730,000. This changed in 1997 when the Sub-provincial city of Chongqing as well as the three surrounding prefectures of Fuling, Wanxian, and Qianjiang were split off ... |
5727b3704b864d1900163ab1 | Why did China need to resettle people into Chongqing? | the Three Gorges Dam project. | [
"Sichuan\n\nFrom 1955 until 1997 Sichuan had been China's most populous province, hitting 100 million mark shortly after the 1982 census figure of 99,730,000. This changed in 1997 when the Sub-provincial city of Chongqing as well as the three surrounding prefectures of Fuling, Wanxian, and Qianjiang were split off ... |
5727b3704b864d1900163ab2 | What was the population of Sichuan in 1982? | 99,730,000 | [
"Sichuan\n\nFrom 1955 until 1997 Sichuan had been China's most populous province, hitting 100 million mark shortly after the 1982 census figure of 99,730,000. This changed in 1997 when the Sub-provincial city of Chongqing as well as the three surrounding prefectures of Fuling, Wanxian, and Qianjiang were split off ... |
5727b3f5ff5b5019007d92fa | How many distinct parts make up Sichuan? | two | [
"Sichuan\n\nSichuan consists of two geographically very distinct parts. The eastern part of the province is mostly within the fertile Sichuan basin (which is shared by Sichuan with Chongqing Municipality). The western Sichuan consists of the numerous mountain ranges forming the easternmost part of the Qinghai-Tibet... |
5727b3f5ff5b5019007d92fb | What makes up majority of the eastern Sichuan province? | Sichuan basin | [
"Sichuan\n\nSichuan consists of two geographically very distinct parts. The eastern part of the province is mostly within the fertile Sichuan basin (which is shared by Sichuan with Chongqing Municipality). The western Sichuan consists of the numerous mountain ranges forming the easternmost part of the Qinghai-Tibet... |
5727b3f5ff5b5019007d92fc | Western Sichuan is delineated by what mountain range? | Hengduan Mountains | [
"Sichuan\n\nSichuan consists of two geographically very distinct parts. The eastern part of the province is mostly within the fertile Sichuan basin (which is shared by Sichuan with Chongqing Municipality). The western Sichuan consists of the numerous mountain ranges forming the easternmost part of the Qinghai-Tibet... |
5727b3f5ff5b5019007d92fd | Which mountain range contains the highest point in the Gongga Shan province? | Daxue Mountains | [
"Sichuan\n\nSichuan consists of two geographically very distinct parts. The eastern part of the province is mostly within the fertile Sichuan basin (which is shared by Sichuan with Chongqing Municipality). The western Sichuan consists of the numerous mountain ranges forming the easternmost part of the Qinghai-Tibet... |
5727b3f5ff5b5019007d92fe | How many feet above sea level is the highest point of the Saxue Mountains? | 24,790 ft | [
"Sichuan\n\nSichuan consists of two geographically very distinct parts. The eastern part of the province is mostly within the fertile Sichuan basin (which is shared by Sichuan with Chongqing Municipality). The western Sichuan consists of the numerous mountain ranges forming the easternmost part of the Qinghai-Tibet... |
5727b50e2ca10214002d946c | Which river flows through the Sichuan Basin? | Yangtze River | [
"Sichuan\n\nThe Yangtze River and its tributaries flows through the mountains of western Sichuan and the Sichuan Basin; thus, the province is upstream of the great cities that stand along the Yangtze River further to the east, such as Chongqing, Wuhan, Nanjing and Shanghai. One of the major tributaries of the Yangt... |
5727b50e2ca10214002d946d | Which tributary of the Yangtze flows through central Sichuan? | Min River | [
"Sichuan\n\nThe Yangtze River and its tributaries flows through the mountains of western Sichuan and the Sichuan Basin; thus, the province is upstream of the great cities that stand along the Yangtze River further to the east, such as Chongqing, Wuhan, Nanjing and Shanghai. One of the major tributaries of the Yangt... |
5727b50e2ca10214002d946e | What are the 4 main rivers in Sichuan? | Jaling Jiang, Tuo Jiang, Yalong Jiang, and Jinsha Jiang | [
"Sichuan\n\nThe Yangtze River and its tributaries flows through the mountains of western Sichuan and the Sichuan Basin; thus, the province is upstream of the great cities that stand along the Yangtze River further to the east, such as Chongqing, Wuhan, Nanjing and Shanghai. One of the major tributaries of the Yangt... |
5727b50e2ca10214002d946f | Name some cities downstream of the Yangtze river that are to the east of Sichuan. | Chongqing, Wuhan, Nanjing and Shanghai | [
"Sichuan\n\nThe Yangtze River and its tributaries flows through the mountains of western Sichuan and the Sichuan Basin; thus, the province is upstream of the great cities that stand along the Yangtze River further to the east, such as Chongqing, Wuhan, Nanjing and Shanghai. One of the major tributaries of the Yangt... |
5727b5b5ff5b5019007d9316 | What climate classification does the Sichuan Basin hold? | humid subtropical climate | [
"Sichuan\n\nDue to great differences in terrain, the climate of the province is highly variable. In general it has strong monsoonal influences, with rainfall heavily concentrated in the summer. Under the Köppen climate classification, the Sichuan Basin (including Chengdu) in the eastern half of the province experie... |
5727b5b5ff5b5019007d9317 | What area of China has the least amount of sunlight? | the Sichuan Basin | [
"Sichuan\n\nDue to great differences in terrain, the climate of the province is highly variable. In general it has strong monsoonal influences, with rainfall heavily concentrated in the summer. Under the Köppen climate classification, the Sichuan Basin (including Chengdu) in the eastern half of the province experie... |
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