It is the environment which can utilize the function of the computer without the computer tip/chip and network are installed in living environment of the human, as for the user being conscious of the location of the computer. Shortening, even "UbiComp" you say.

it made on the basis of the adjective, "at ubique all place" of Latin, it is the concept which is lectured in around 1988 with English which is used in the sense that "it is omnipresent, mark y the of the American Xerox Palo Alto laboratory - (Mark Weiser), the mainframe (with everyone 1 computer use), the personal computer (use) 1 unit as a computer utilization form of the 3rd generation who continues with 1 person as though (it is God)".

Y the - and others HCI (humancomputerinteraction) from midst of research it is something which is born, not only place restriction, difficult to use this concept, with cancellation of the restriction which is said has become theme, changing to the traditional user interface such as the keyboard, the idea contest and the mouse, pen input and the computer operation of utilizing speech recognition and the other devices, furthermore computer network side grasps & judges the circumstance of the individual and actual environment, has entered into range of vision with to the question ? callous which is approached actively. For example, the telephone and the like which is transferred automatically according to the room and the place of the partner which greet with the door and the name which are opened in only the person who wears the correct badge talks ideally.

In addition y the -, the occasion where you talk computing "it is not visible", (invisible) we emphasize thing, that ultimate form has explained "it is interwoven to the extent daily life where distinction is not attached", that. Such as that late year, "emphasizing the computing which is not the ? ?", it had reached the point where you insist that computing" (calm computing) with we would like to use the word which you say.

This way " originally, it was the word which displays the vision in fundamental research project of such computing, but the end of the nineties becoming comparatively, in US attendant upon the evolution spread of the small-sized information terminal which begins the portable telephone, the meaning where, or "it can utilize the computer from anywhere", it reached the point where is used as a Mobile synonym."network " and so on basically is this use.