Q. How has the concept of physical interaction between humans and computation changed in the context of ubiquitous computing?

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Q. What is meant by "implicit input" in the context of ubiquitous computing?

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Q. How are computer interfaces supporting more natural human communication replacing elements of the graphical user interface?

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Q. What technology has made it possible to create large-scale touch-interactive surfaces on tables and walls?

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Q. What do RFID, accelerometers, and infrared range finders have in common in the context of input for interactive systems?

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Q. When does the invisibility of computing, from the human perspective, begin in the context of ubiquitous computing?

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Q. What is a key consideration for designers of information appliances like personal digital assistants?

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Q. How has the concept of output in ubiquitous computing changed from traditional desktop/laptop displays?

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Q. According to Mark Weiser, what are the three scales of ubicomp technology?

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Q. What is one of the important trends that have emerged as displays proliferate in ubiquitous computing?

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Q. What is a defining feature of ambient displays?

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Q. What was the purpose of the Dangling String, one of the first ambient displays?

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Q. What type of information is typically used as a data source for ambient displays?

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Q. What is the concept of merging computational artifacts with the physical world called?

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Q. How does NaviCam create an augmented reality experience?

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Q. What is the key characteristic of the DigitalDesk?

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Q. What is the concept of tangible user interfaces?

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Q. What is the concept of a "killer app" in the context of ubicomp?

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Q. Which term is used to describe the newer trajectory of ubicomp applications focused on non-work environments?

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Q. What is the key concept behind context-aware computing in ubicomp?

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