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Human Computer Interaction (HCI)

Human Computer Interaction (HCI). Outline. What is Human, Computer and Interaction Goals What is Interface User Interaction Design Interaction Styles Interaction Devices References. What is Human Computer Interaction and Platform.

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Human Computer Interaction (HCI)

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  1. Human Computer Interaction (HCI) CIIT----- Human Computer Interaction

  2. Outline • What is Human, Computer and Interaction • Goals • What is Interface • User Interaction Design • Interaction Styles • Interaction Devices • References CIIT----- Human Computer Interaction

  3. What is Human Computer Interaction and Platform “Human-computer interaction is 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” A computing platform includes a hardware architecture and a software framework (including application frameworks), where the combination allows software, particularly application software, to run. Typical platforms include a computer architecture, operating system, programming languages and related user interface (run-time system libraries or graphical user interface). CIIT----- Human Computer Interaction

  4. Goals • The main goal of HCI is Usability which is a measure of the effectiveness, efficiency and satisfaction of the user to achieve specified goals in a particular environment. • A usable System is: • Easy to Learn • Easy to Remember how to Use • Effective to Use • Efficient to Use • Safe to Use • Enjoyable To Use CIIT----- Human Computer Interaction

  5. Components of the human processor model • Human processor model consists of three interacting systems. Each has its own memory and processor. • Perceptual processor • Outputs into audio storage • Outputs into visual storage • Cognitive processor • Outputs into working memory. • Has access to Long term memory • Motor processor CIIT----- Human Computer Interaction

  6. Human Senses and Computer • A human and a computer communicates. • A human usually has 5 senses: • Sight, • Hearing, • Touch, • Taste, • Smell, • A computer hasn’t any senses as such, it is machinery, with electrons running around in and out of component devices. CIIT----- Human Computer Interaction

  7. A good interface match would include as many senses as possible. Computer input and output is basically seeing what we enter and what is displayed. Sound can be added to some programs, either by giving instructions by voice, or listening to a commentary / music. Touch can be in the form of using the mouse, a joystick, or a drawing tablet. Computer match with senses CIIT----- Human Computer Interaction

  8. What is an Interface? • A point where the human can tell the computer what to do. • A point where the computer displays the • requested information. CIIT----- Human Computer Interaction

  9. What Tools are Used? • A keyboard, for typing, • A mouse, for pointing , • A scanner, for copying, • A camera, for images. • A monitor, for displaying, • A printer, for printing, • A sound card. For audio, • A DVD, for video. CIIT----- Human Computer Interaction

  10. Virtual Reality • Virtual Reality is a computer interface. • Programs combine the interfaces already mentioned to give a simulated three dimensional world of sight, sound, touch and movement. • Interaction may be made through special equipment such as: glasses, gloves, sound systems, and the regular computer devices . • As these types of interfaces develop and become more advanced (realistic) through high level programming, so the human use will become more common and so it will seem to be similar to communication with other humans. CIIT----- Human Computer Interaction

  11. OUTPUT INPUT SYSTEM USER Interaction • HCI is concerned with joint performance of Task by Human & Computer • Communication between The User and The System • Physical Interaction --Interaction Devices • Conceptual Interaction • Interaction Styles CIIT----- Human Computer Interaction

  12. Interaction Styles • Command Line Interface • Menus • Question & Answer Dialogue • Form-Fill Interface • WIMP (Window, Icon, Menu, Pointing) • Direct Manipulation • Natural Language CIIT----- Human Computer Interaction

  13. Interaction Devices Input Devices • Keyboards • Mouse, Trackballs, Touch Pads • Touch Screens • Speech Input • 3D trackers, 3D Mouse Output Devices • Screens • Printers • Sound Output CIIT----- Human Computer Interaction

  14. References • A brief history of Human Computer Interaction Technology, Brad A. Myers • Introduction to HCI, Matthias Rauterberg • Human Computer Interaction, Keith Andrews • Human Computer Interaction, 2nd Edition, Alan Dix • Cognitive Architectures and HCI, Wayne D. Gary, Richard M. Young • Usability Design, Jan Gulliksen • Future of HCI, Michael H. Coen • HCI, Nicky Danino • www.ashcombe.surrey.sch.uk/legacy/.../HumanComputerInterface.pp... CIIT----- Human Computer Interaction

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