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Human Computer Interaction

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Presentation on theme: "Human Computer Interaction"— Presentation transcript:

1 Human Computer Interaction
Prepared By Dhiren Parmar Human Computer Interaction

2 Human Computer Interaction
Outline What is HCI History What is Human, Computer and Interaction Goals Cognition User Interaction Design Interaction Styles Interaction Devices Future Conclusion Human Computer Interaction

3 What is Human Computer Interaction
“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” Talk about different requirements for real-time vs. Non-real-time Time, quality Human Computer Interaction

4 Human Computer Interaction
History 1945 – MEMEX by Vanevar Bush 1963 – SketchPad and Light Pen by Ivan Sutherland 1964 – Mouse by Douglas Engelbart 1973 – Alto by Xerox PARK 1983 – Apple Lisa 1987 – Windows Human Computer Interaction

5 Human Computer Interaction
(Source – Georgia Tech HCI) Human Computer Interaction

6 Human Computer Interaction
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 Movement Information is stored in memory: Sensory Memory Working Memory Long-Term Memory Human Computer Interaction

7 Human Computer Interaction
There is not much difference in Human and Computer Computer consist of Input Devices Output Devices Memory Processing Computer can be Mobile, Spacecraft Cockpit, Microwave Oven or VCRs etc. Human Computer Interaction

8 Human Computer 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 Human Computer Interaction

9 Human Computer Interaction
Goals The main goal of HCI is Usability “It is a measure of the effectiveness, efficiency and satisfaction with which specified user can 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 Human Computer Interaction

10 Human Computer Interaction
Cognition Cognition is the processing of information It includes: Perception Attention Pattern Matching Memory Language Processing Decision Making Problem Solving Human Computer Interaction

11 The Model Human Processor
The model human processor 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: Working memory Long term memory Motor processor Carries out actions Human Computer Interaction

12 Human Computer Interaction
Cognition Conti. Human Information Processing Information Processing Capabilities Cognitive Requirement of Various Tasks Characterize the information processing of a user Three Main Cognitive Challenges Conceptual Complexity Memory Load Attention Distributed Cognition Human Computer Interaction

13 User Interaction Design
Data Collection Data Analysis User Modeling Design Prototyping Evaluation Human Computer Interaction

14 Final product Identify needs/establish requirements Evaluate
(Re)Design Identify needs/establish requirements Evaluate Build an interactive version Final product Human Computer Interaction

15 Human Computer Interaction
Interaction Styles Command Line Interface Menus Question & Answer Dialogue Form-Fill Interface WIMP Direct Manipulation Natural Language Human Computer Interaction

16 Human Computer Interaction
Interaction Devices Input Devices Keyboards Mouse, Trackballs, Touch Pads Touch Screens Speech Input 3D trackers, 3D Mouse Output Devices Screens Printers Sound Output Human Computer Interaction

17 Human Computer Interaction
Future Artificial Intelligent Virtual Reality New Interface Devices Human Computer Interaction

18 Human Computer Interaction
(Source - Input Output Devices, UCL) Human Computer Interaction

19 Human Computer Interaction
Conclusion Human Computer Interaction

20 Human Computer Interaction
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 Human Computer Interaction

21 Human Computer Interaction
Thank You Human Computer Interaction


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