Problem: Please answer a question about the following article about USB:
USB is a serial bus, using four shielded wires for the USB 2.0 variant: two for power (VBUS and GND), and two for differential data signals (labelled as D+ and D− in pinouts). Non-Return-to-Zero Inverted (NRZI) encoding scheme is used for transferring data, with a sync field to synchronize the host and receiver clocks. D+ and D− signals are transmitted on a twisted pair, providing half-duplex data transfers for USB 2.0. Mini and micro connectors have their GND connections moved from pin #4 to pin #5, while their pin #4 serves as an ID pin for the On-The-Go host/client identification.
What is USB?
A: a serial bus


Question: Read this and answer the question

Some types of residential elevators do not use a traditional elevator shaft, machine room, and elevator hoistway. This allows an elevator to be installed where a traditional elevator may not fit, and simplifies installation. The ASME board first approved machine-room-less systems in a revision of the ASME A17.1 in 2007. Machine-room-less elevators have been available commercially since the mid 1990s, however cost and overall size prevented their adoption to the residential elevator market until around 2010.

This decision reflected a revision of what?
Answer: the ASME A17.1


Problem: Dogs bear their litters roughly 58 to 68 days after fertilization, with an average of 63 days, although the length of gestation can vary. An average litter consists of about six puppies, though this number may vary widely based on the breed of dog. In general, toy dogs produce from one to four puppies in each litter, while much larger breeds may average as many as twelve.
What is the average number of pups in a litter?
The answer is the following: about six


The Tibetan name for their land, Bod བོད་, means "Tibet" or "Tibetan Plateau", although it originally meant the central region around Lhasa, now known in Tibetan as Ü. The Standard Tibetan pronunciation of Bod, [pʰøʔ˨˧˨], is transcribed Bhö in Tournadre Phonetic Transcription, Bö in the THL Simplified Phonetic Transcription and Poi in Tibetan pinyin. Some scholars believe the first written reference to Bod "Tibet" was the ancient Bautai people recorded in the Egyptian Greek works Periplus of the Erythraean Sea (1st century CE) and Geographia (Ptolemy, 2nd century CE), itself from the Sanskrit form Bhauṭṭa of the Indian geographical tradition.
What is the Tibetan name for the area?
Bod


Input: USB
USB 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 high, known as chirp K. This indicates to the host that the device is high bandwidth. If the host/hub is also HS capable, it chirps (returns alternating J and K states on D− and D+ lines) letting the device know that the hub operates at high bandwidth. The device has to receive at least three sets of KJ chirps before it changes to high bandwidth terminations and begins high bandwidth signaling. Because USB 3.0 uses wiring separate and additional to that used by USB 2.0 and USB 1.x, such bandwidth negotiation is not required.

What is the special protocol during a USB 2.0 device reset called?
Output: chirping


Problem: Please answer a question about the following article about Child labour:
Many factors played a role in Britain’s long-term economic growth, such as the industrial revolution in the late 1700s and the prominent presence of child labour during the industrial age. Children who worked at an early age were often not forced; but did so because they needed to help their family survive financially. Due to poor employment opportunities for many parents, sending their children to work on farms and in factories was a way to help feed and support the family. Child Labour first started to occur in England when household businesses were turned into local labour markets that mass-produced the once homemade goods. Because children often helped produce the goods out of their homes, working in a factory to make those same goods was a simple change for many of these youths. Although there are many counts of children under the age of ten working for factories, the majority of children workers were between the ages of ten and fourteen. This age range was an important time for many youths as they were first helping to provide for their families; while also transitioning to save for their own future families.
What was the age of the majority of child workers in Britain?
A:
between the ages of ten and fourteen