Grphicl User Interfce (GUI) Complexity

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During the 1960s, we intercted with computers through punch crds nd pper, in the 1970s through online typewriters, in the 1980s through online video terminls, nd in the 1990s through multimedi terminls. In ll of these modes of interction, the user is primrily intended to be sitting t desk.


The discussion is bsed on two different perspectives. The explortion of the perspective of resercher of input/output devices who wishes to extend the design spce nd discuss n emerging prdigm of computer use, tsk-dependent computers, nd give some exmples of tht prdigm. Ultimtely, I will discuss the criticl role of input nd output devices, nd continue with the designer's perspective by discussing the motivtions for the evolution, the environments of use, nd the implictions of the environment on the interction technologies.
The mnner in which users interct with their computer is criticlly dependent on the choice of input nd output devices. This is such n obvious observtion tht sometimes system designers fil to tke it explicitly into ccount. ll interction with the computer consists of issuing commnd, providing dt on which the commnd will operte, nd, finlly, providing loction for the output of the commnd to be plced; this holds even when the execution of the commnd is temporlly disjoint from its invoction (e.g., scheduled opertion). The specifiction of those commnds involves specifying the commnd, the source of dt for the commnd, nd the trget for the output of the commnd. ll must be specified using vilble input nd output devices. Therefore, the choice of these devices will constrin the style of the interction possible for the user. (Bss et l., 2003:140)
Consider implementing windows-style interfce, without pointing device s ...
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