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- Computer (32773 bytes)
18: ... the problem, the result must be displayed to the user as [[output]] through output devices like light b...
20: Novice users, especially children, often have difficulty unde...
29: ...ters, such as [[Colossus computer|Colossus]] in 1943 and the [[ENIAC]] announced in [[1946]], were hug...
103: ...ied according to the way they are operated by the users. Two main types exist: [[batch processing]] and ...
107: ...l electronic computer, [[Colossus]], built in [[1943]] during [[World War II]]. Despite this early foc... - Computer mouse (29399 bytes)
11: ...art'', 11/70, [http://www.freepatentsonline.com/3543541.html 3541541]. Ball and wheel by ''Rider'', 9/...
15: ... System"''. At the time, Engelbart intended that users would ''continuously'' hold the mouse in one han...
19: ...ed with [[personal computer]]s throughout the [[1980s]] and [[1990s]]. The Xerox PARC group also sett...
54: ...ons, ranging from five to more. Depending on the user's preferences, the extra buttons might allow forw...
64: ...actile feedback, gives a better response from the user. - Global warming (53726 bytes)
26: ...n observed may vary according to the focus of the user of the term: sometime since the [[Industrial Revo...
42: ...aPage.taf?file=/nature/journal/v433/n7026/full/433587a_fs.html][http://dx.doi.org/10.1126%2Fscience.10...
58: ...f more than 50 parts per million by volume from 1958 to the present.
62: ... and [[greenhouse gas]]es (green and blue) during 420,000 years.]]
72: ...siderably higher than at any time during the last 420,000 years, the period for which reliable data ha...
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