2 Images and definitions of pervasive computing

Pervasive Computing

It is the growing trend embedding processes in everyday objects so they can communicate information. Wireless LAN Implementation. RELATED TOPICS. Troubleshooting Wireless Networks.

 https://www.google.co.uk/search?q=define%3A+Pervasive+Computing&oq=define%3A+Pervasive+Computing&aqs=chrome..69i57j69i58.3272j0j7&sourceid=chrome&espv=2&es_sm=93&ie=UTF-8

ervasive computing goes beyond the realm of personal computers: it is the idea that almost any device, from clothing to tools to appliances to cars to homes to the human body to your coffee mug, can be imbedded with chips to connect the device to an infinite network of other devices

http://www.webopedia.com/TERM/P/pervasive_computing.html

Ubiquitous computing 

Ubiquitous computing (ubicomp) is a concept in software engineering and computer science where computing is made to appear everywhere and anywhere. In contrast to desktop computing, ubiquitous computingcan occur using any device, in any location, and in any format. https://www.google.co.uk/search?q=define%3A+Pervasive+Computing&oq=define%3A+Pervasive+Computing&aqs=chrome..69i57j69i58.3272j0j7&sourceid=chrome&espv=2&es_sm=93&ie=UTF-8#q=define%3A+Ubiquitous+computing+

Ambient Computing

In computing, ambient intelligence (AmI) refers to electronic environments that are sensitive and responsive to the presence of people.Ambient intelligence is a vision on the future of consumer electronics, telecommunications and computing that was originally developed in the late 1990s for the time frame 2010–2020

https://www.google.co.uk/search?q=define%3A+Pervasive+Computing&oq=define%3A+Pervasive+Computing&aqs=chrome..69i57j69i58.3272j0j7&sourceid=chrome&espv=2&es_sm=93&ie=UTF-8#q=define%3A+Ambient+computing+

The ambient intelligence paradigm builds upon pervasive computing, ubiquitous computing, profiling, context awareness, and human-centric computer interaction design and is characterized by systems and technologies that are (Zelkha & Epstein 1998; Aarts, Harwig & Schuurmans 2001): http://en.wikipedia.org/wiki/Ambient_intelligence

Ambient Intelligence builds on three recent key technologies: Ubiquitous Computing, Ubiquitous Communication and Intelligent User Interfaces – some of these concepts are barely a decade old and this reflects on the focus of current implementations of AmI (more on this later on). Ubiquitous Computing means integration of microprocessors into everyday objects like furniture, clothing, white goods, toys, even paint. Ubiquitous Communication enables these objects to communicate with each other and the user by means of ad-hoc and wireless networking. An Intelligent User Interface enables the inhabitants of the AmI environment to control and interact with the environment in a natural (voice, gestures) and personalised way (preferences, context).

http://www.ercim.eu/publication/Ercim_News/enw47/intro.html

Disappearing Computing

“The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.” This statement in Mark Weiser’s well-known “The Computer for the Twenty-First Century” (Scientific American, 1991, pp. 66–75) has been a source of inspiration for many and still is an important guideline for the work in the Smart Future Initiative.

http://www.smart-future.net/10.html

The Similarities between them all have pervasive computing pops up, also the word environment. All definitions have the word technology which is similar word comes up.

The different between pervasive computing and disappearing computing are the following: Pervasive computing aims more with wireless and troubleshooting. on the other hand disappearing computing is more to with future development of design and computing.