Being Human

Being Human

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  BEING HUMAN HUMAN COMPUTERINTERACTION (HCI)
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  Introduction  The worldwe live in today has become saturated of computer technologies. Not only in their respective physical forms, but the computer has also started ruling our minds.  The aim of this report is to reflect upon the changes afoot and outline a new paradigm for understanding our relationship with technology.  At the end, I post a conclusion as to how the Human Computer Interaction shape the world in the next 15 years or so.
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  What am Italking about? We have features for every step of the way Features of HCI Present and future expectation Construction of ideal HCI
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  Introduction to HCIand its types Design, Organization and Featuring
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  Introduction to Part-1 GUIsto Gestures  Making fancy presentations on PowerPoint, creating excel sheets and use word to process documents is how we’ve been using graphic user interface since always.  The use of Gestures started with the degradation of mouse and keyword input usage. Touch-screen and voice gestures started replacing them.  Systems have started allowing people with severe physical disabilities to use their brain waves to interact with their environment. Real-time brainwave activity is beginning to be used to control digital movies, turn on music, and switch the lights on and off.  Gestures have hence started replacing our hardware input techniques from GUIs.
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  Display Units toSmart Fabrics  Computers have not just influenced interactions with the screen but also with fabrics.  The fixed video display units (VDUs) of the 1980s are being superseded by a whole host of flexible display technologies and ‘smart’ fabrics.  The rise of OLED’s(organic light emitting diodes) and Plastic Electronics have made displays go cheaper, high in resolution and less power consuming.  The screen could be folded, stretched or if required miniaturized.
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  Handsets to Mobiles The telephone industry has transformed itself from brick to iPhone. This has brought the most interactive and advanced technology in our palms.  We now use mobile devices to interact with objects in the real world, acting more as if they are extensions of our own hands, by pointing and gesturing with them. While travelling travelling, we can gesture with our mobile device at a historic building and be offered up an audio or visual history of its architecture. Taking a picture of a product in the supermarket can send us back information about where the product came from, its associated air miles, and ecological credentials.
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  Human Values inthe face of Change  The first has to do with how the proliferation and embedding of technology has reshaped the way digital devices are presented to us, the interface.  Second, changes in how we live with and use technology have resulted in us becoming ever more dependent upon computing.  Third, the increasing importance of communication technologies in our private and public lives has tied us together in new ways.  Fourth, our desire to be in touch is equalled by our desire to capture more information about our lives and our doings.  Finally, the proliferation and appropriation of new kinds of digital tools by people from all walks of life signals the growth of creative engagement through technology.
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  Future Expectations Computations withoutdata-sharing.
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  What HCI includes? TheInterdisciplinary Design Science of Human- Computer Interaction (HCI) combines knowledge and methods associated with professionals including: Psychologists (incl. Experimental, Educational, and Industrial Psychologists) Computer Scientists Instructional and Graphic Designers Technical Writers Human Factors and Ergonomics Experts Anthropologists and Sociologists
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  Explanation of whatshould be; An Ideal Interface
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  Good Interface Design1 SAFELY EFFECTIVELY EFFICIENTLY ENJOYABLY Tasks can be completed without risk – e.g. flying an aeroplane. Being able to do the right task and do it well – e.g. videoing a TV programme To carry out tasks quickly and correctly – e.g. at a cashpoint Users should be able to enjoy what they are doing, not be frustrated by the interface – e.g. educational programs Users should be able to use an interface:
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  Good Interface Design2 WHO WHAT ENVIRONMENT FEASIBILITY Who is going to use the system, what are their ages, etc.? What tasks are they likely to want to perform? Repetitive, complex, simple, etc. Where is the computer to be used? In a hazardous or noisy environment? What is technologically available? Designers should not add elements to the interface that cannot actually be used out easily. There are four considerations for an interface designer:
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  The process ofdesigning a
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  The process ofdesign what is wanted analysis design implement and deploy prototype interviews ethnography what is there vs. what is wanted guidelines principles dialogue notations precise specification architectures documentation help evaluation heuristics scenarios task analysis
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  User Interfaces –4 Types  1. Command Line Interface (CLI) A CLI displays a prompt, the user types a command on the keyboard and executes the command. The computer executes the command, providing textual output.  2. Menu Driven Interface The user has a list of items to choose from, and can make selections by highlighting one.
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  User Interfaces –4 Types  3. Graphical User Interface (GUI) Uses windows, icons, menus and pointers (WIMP) which can be manipulated by a mouse (and often to an extent by a keyboard as well).  4. Natural Language Interface Can range from simple command systems to voice activated text processing. Commands are spoken in “normal” language.
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  Goals for HCIProfession, 1/2  Science vs. intuition in interface design …  “There are places for both…”  But, actually, what is intuition … ?  Does it come from “above”, … or does it come from training and/or observation…?  Three goals for HCI (Shneiderman):  Influencing academic and industrial researchers  Providing tools, techniques, and knowledge for commercial designer  Raising the computer consciousness of the general public
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  Goals for HCIprofession, 2/2  Providing tools, techniques, and knowledge for system implementers  Rapid prototyping is easy when using contemporary tools  Use general or self-determined guideline documents written for specific audiences  To refine systems, use feedback from individual or groups of users  Raising the computer consciousness of the general public  Many novice users are fearful due to experience with poor product design,  Good designs help novices through these fears by being clear, competent, and nonthreatening