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    Add as Friendwhat is human computer interaction

    by: salihah

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    1 : Human-computer Interaction
    2 : What is Human-computer Interaction? the study of interaction between users and computers. Often regarded as intersection of computer science, behavioral sciences, design and several other fields of study. The Association for Computing Machinery defines human-computer interaction as "a discipline concerned with the design, evaluation and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them."
    3 : Interaction Interaction between users and computers occurs at the user interface includes both software and hardware .
    4 : Machine Side Technique: computer graphics operating systems programming languages, and development environments are relevant.
    5 : Human Side Techniques: communication theory, graphic and industrial design disciplines, linguistics, social sciences, cognitive psychology, and human factors are relevant
    6 : Goals Basic goals improve the interactions between users and computers by making computers more usable and receptive to the user's needs.
    7 : Major Concerned with methodologies and processes for designing interfaces methods for implementing interfaces techniques for evaluating and comparing interfaces developing new interfaces and interaction techniques developing descriptive and predictive models and theories of interaction
    8 : Long term goals to design systems that minimize the barrier between the human's cognitive model of what they want to accomplish and the computer's understanding of the user's task.
    9 : Design Principles Early focus on user(s) and task(s) Empirical measurement Iterative design
    10 : Design Methodologies User-centered design users must take center-stage in the design of any computer system Principles of User Interface Design Tolerance, Simplicity, Visibility, Affordance, Consistency, Structure and Feedback.
    11 : Display Designs Perceptual Principles Make displays legible (or audible) Avoid absolute judgment limits Top-down processing Redundancy gain Similarity causes confusion: Use discriminable elements
    12 : Mental Model Principles Principle of pictorial realism Principle of the moving part Principles Based on Attention Minimizing information access cost Proximity compatibility principle Principle of multiple resources
    13 : Memory Principles Replace memory with visual information: knowledge in the world Principle of predictive aiding Principle of consistency
    14 : Human Computer Interface Can be described as the point of communication between the human user and the computer. The flow of information between the human and computer is defined as the loop of interaction. The loop of interaction has several aspects to it including:
    15 : Task Environment Machine Environment Areas of the Interface Input Flow Output Feedback

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