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Lecture 1 Part I

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الكلية كلية تكنولوجيا المعلومات     القسم قسم البرامجيات     المرحلة 4
أستاذ المادة احمد حبيب سعيد العزاوي       15/10/2012 10:49:11
Overview:
? Humans are limited in their capacity to process information. This has important implications for design.
? Information is received and responses given via a number of input and output channels:
– visual channel
– auditory channel
– haptic channel
? Information is stored in memory:
– sensory memory
– short-term (working) memory
– long-term memory
? Information is processed and applied:
– reasoning
– problem solving
? Emotion influences human capabilities.
? Users share common capabilities but are individuals with differences, which should not be ignored.
The requirements of the user should therefore be our first priority. In this lecture we will look at areas of human psychology coming under the general banner of cognitive psychology (is a sub-discipline of psychology exploring internal mental processes. It is the study of how people perceive, remember, think, speak, and solve problems). This may seem a far cry from designing and building interactive computer systems, but it is not. In order to design something for someone, we need to understand their capabilities and limitations.
INPUT–OUTPUT CHANNELS
A person’s interaction with the outside world occurs through information being received and sent: input and output. In an interaction with a computer the user receives information that is output by the computer, and responds by providing input to the computer – the user’s output becomes the computer’s input and vice versa.
Input in the human occurs mainly through the senses and output through the motor control of the effectors. There are five major senses: sight, hearing, touch, taste and smell. Of these, the first three are the most important in HCI.

المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .
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