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Human-computer interaction Human–computer interaction (HCI) is the study of interaction between people (users) and computers. It is often regarded as the intersection of computer science, behavioral sciences, design and several other fields of study. Interaction between users and computers occurs at the user interface (or simply interface), which includes both software and hardware, for example, general-purpose computer peripherals and large-scale mechanical systems, such as aircraft and power plants.
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Compare the difference between pervasive computing and other computings?
First, let's look at what they mean. Ubiquitous means everywhere. Pervasive means "diffused throughout every part of." In computing terms, those seem like somewhat similar concepts. Ubiquitous computing would be everywhere, and pervasive computing would be in all parts of your life. That might mean the difference between seeing kiosks on every street corner and finding that you could -- or need to -- use your Palm handheld to do absolutely every information-based task. And, in fact, that's where the difference between these two types of computing lies. Pervasive computing involves devices like handhelds -- small, easy-to-use devices -- through which we'll be able to get information on anything and everything. That's the sort of thing that Web-enabled cell phones promise. Ubiquitous computing, though, eschews our having to use computers at all. Instead, it's computing in the background, with technology embedded in the things we already use. That might be a car navigation system that, by accessing satellite pictures, alerts us to a traffic jam ahead, or an oven that shuts off when our food is cooked. Where IBM is a leader in the pervasive computing universe -- it has a whole division, aptly called the Pervasive Computing division, devoted to it -- Xerox started the ubiquitous thing back in 1988. Ubiquitous computing "helped kick off the recent boom in mobile computing research," notes its inventor, Mark Weiser, who came out with the concept at Xerox's Palo Alto Research Center, "although it is not the same thing as mobile computing, nor a superset nor a subset." That means that people who use ubiquitous computing to mean computing anytime, anyplace -- to describe hordes on a street corner checking their stock prices until the "walk" light comes on or efforts to dole out laptops to all students on a college campus -- aren't using the rightterm. We don't really need to use either one. I'd be happy to call pervasive computing mobile computing, and to call ubiquitous computing embedded or invisible or transparent computing -- or even just built-in functions. Besides, until either ubiquitous or pervasive computing is anywhere and everywhere, those alternatives seem more accurate.
Design steps of two way concrete slab with an example?
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What are Two examples of the different types of technology?
Antibiotics are an example of pharmaceutical technology. Road bridges are an example of Civil Engineering Technology.
What is Example of 2stroke and 4strokes vechicles wikeanswers?
For two Stroke Engine TVS50 is a Example and for Four Stroke Engine Pulsar, Apache are the examples......
What is nested tables?
In computing, nested refers to something inside another thing. Nested tables is having tables inside other tables. There are situations where this is useful. For example, normally you cannot have two tables beside each other in HTML. One way of doing that is to create one large table with a single row and two cells. Into each of the two cells you would put one table. The two tables will be sitting beside each other and they are nested insided the outer table. You could hide all borders on the outer table, further emphaisising the way the two tables are sitting beside each other. In furniture, it is a collection or set of tables that stack together.
