High-speed USB 2.0 hubs contain devices called transaction translators that convert between high-speed USB 2.0 buses and full and low speed buses. When a high-speed USB 2.0 hub is plugged into a high-speed USB host or hub, it operates in high-speed mode. The USB hub then uses either one transaction translator per hub to create a full/low-speed bus routed to all full and low speed devices on the hub, or uses one transaction translator per port to create an isolated full/low-speed bus per port on the hub.
When does a USB 2.0 hub operate in high speed mode?
When a high-speed USB 2.0 hub is plugged into a high-speed USB host or hub


Input: 2008 Summer Olympics torch relay
 Tanzania: Dar es Salaam was the torch's only stop in Africa, on April 13. The relay began at the grand terminal of the TAZARA Railway, which was China's largest foreign aid project of the 1970s, and continued for 5 km through the old city to the Benjamin Mkapa National Stadium in Temeke, which was built with Chinese aid in 2005. The torch was lit by Vice-President Ali Mohamed Shein. About a thousand people followed the relay, waving the Olympic flag. The only noted instance of protest was Nobel Peace Prize laureate Wangari Maathai's withdrawal from the list of torchbearers, in protest against human rights abuses in Tibet.

Where did the relay terminate in Africa?
Output: Benjamin Mkapa National Stadium


Input: Article: Nigeria's human rights record remains poor; According to the US Department of State, the most significant human rights problems are: use of excessive force by security forces; impunity for abuses by security forces; arbitrary arrests; prolonged pretrial detention; judicial corruption and executive influence on the judiciary; rape, torture and other cruel, inhuman or degrading treatment of prisoners, detainees and suspects; harsh and life‑threatening prison and detention centre conditions; human trafficking for the purpose of prostitution and forced labour; societal violence and vigilante killings; child labour, child abuse and child sexual exploitation; female genital mutilation (FGM); domestic violence; discrimination based on sex, ethnicity, region and religion.

Now answer this question: What are the conditions like in Nigerian prisons?

Output: harsh and life‑threatening


Article: The state has a rich history in ballet with five Native American ballerinas attaining worldwide fame. These were Yvonne Chouteau, sisters Marjorie and Maria Tallchief, Rosella Hightower and Moscelyne Larkin, known collectively as the Five Moons. The New York Times rates the Tulsa Ballet as one of the top ballet companies in the United States. The Oklahoma City Ballet and University of Oklahoma's dance program were formed by ballerina Yvonne Chouteau and husband Miguel Terekhov. The University program was founded in 1962 and was the first fully accredited program of its kind in the United States.

Question: How many famous Native American ballerinas came from Oklahoma?
Ans: five


Here is a question about this article: In most computers, individual instructions are stored as machine code with each instruction being given a unique number (its operation code or opcode for short). The command to add two numbers together would have one opcode; the command to multiply them would have a different opcode, and so on. The simplest computers are able to perform any of a handful of different instructions; the more complex computers have several hundred to choose from, each with a unique numerical code. Since the computer's memory is able to store numbers, it can also store the instruction codes. This leads to the important fact that entire programs (which are just lists of these instructions) can be represented as lists of numbers and can themselves be manipulated inside the computer in the same way as numeric data. The fundamental concept of storing programs in the computer's memory alongside the data they operate on is the crux of the von Neumann, or stored program[citation needed], architecture. In some cases, a computer might store some or all of its program in memory that is kept separate from the data it operates on. This is called the Harvard architecture after the Harvard Mark I computer. Modern von Neumann computers display some traits of the Harvard architecture in their designs, such as in CPU caches.
What is the answer to this question: Which computer is the Harvard architecture modeled after?
****
So... Harvard Mark I computer


Article: Solar distillation can be used to make saline or brackish water potable. The first recorded instance of this was by 16th-century Arab alchemists. A large-scale solar distillation project was first constructed in 1872 in the Chilean mining town of Las Salinas. The plant, which had solar collection area of 4,700 m2 (51,000 sq ft), could produce up to 22,700 L (5,000 imp gal; 6,000 US gal) per day and operate for 40 years. Individual still designs include single-slope, double-slope (or greenhouse type), vertical, conical, inverted absorber, multi-wick, and multiple effect. These stills can operate in passive, active, or hybrid modes. Double-slope stills are the most economical for decentralized domestic purposes, while active multiple effect units are more suitable for large-scale applications.

Question: What is used to make saline or brackish water drinkable?
Ans:
Solar distillation