An analysis of man-machine communication in an interactive graphical environment
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Authors
Cassell, Robert Wayne
Subjects
Advisors
DeLaura, R.D.
Date of Issue
1971-12
Date
Publisher
Language
en_US
Abstract
The failure of present-day interactive graphical systems
to provide for an effective relationship between man and
machine is examined. An inefficient communications link is
shown to be the basis of the problem. The manner in which
the user controls program flow and the hardware utilized in
inputting commands are revealed as the basic components of
communication.
Program control is investigated. A revised control
method is described which consists of a series of function
executions and six basic phases of activity for program
control
.
With respect to input hardware, more human factors
analysis is advocated. To assist in this analysis, a
function classification system is described. An example
test is conducted to compare the relative merits of the
light pen with menu, the teletype, and function switches.
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Thesis
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Distribution Statement
Approved for public release; distribution is unlimited.