Human Computer Interaction 1 Prepared By Dhiren Parmar.
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Transcript of Human Computer Interaction 1 Prepared By Dhiren Parmar.
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Human Computer InteractionHuman Computer Interaction 11
Human Computer InteractionHuman Computer Interaction
Prepared ByPrepared By
Dhiren ParmarDhiren Parmar
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Human Computer InteractionHuman Computer Interaction 22
OutlineOutline
What is HCIWhat is HCI HistoryHistory What is Human, Computer and InteractionWhat is Human, Computer and Interaction GoalsGoals CognitionCognition User Interaction DesignUser Interaction Design Interaction StylesInteraction Styles Interaction DevicesInteraction Devices FutureFuture ConclusionConclusion
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Human Computer InteractionHuman Computer Interaction 33
What is Human Computer What is Human Computer InteractionInteraction
“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”
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Human Computer InteractionHuman Computer Interaction 44
HistoryHistory
• 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
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Human Computer InteractionHuman Computer Interaction 55
(Source – Georgia Tech HCI)
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Human Computer InteractionHuman Computer Interaction 66
HumanHumanHumans 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
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Human Computer InteractionHuman Computer Interaction 77
ComputerComputerThere 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.
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Human Computer InteractionHuman Computer Interaction 88
InteractionInteractionHCI 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
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Human Computer InteractionHuman Computer Interaction 99
GoalsGoalsThe 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
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Human Computer InteractionHuman Computer Interaction 1010
CognitionCognition
Cognition is the processing of information
It includes:
• Perception
• Attention
• Pattern Matching
• Memory
• Language Processing
• Decision Making
• Problem Solving
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Human Computer InteractionHuman Computer Interaction 1111
The Model Human ProcessorThe 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 memoryLong term memory
Motor processor • Carries out actions
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Human Computer InteractionHuman Computer Interaction 1212
Cognition Conti.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
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Human Computer InteractionHuman Computer Interaction 1313
User Interaction DesignUser Interaction Design
• Data Collection
• Data Analysis
• User Modeling
• Design
• Prototyping
• Evaluation
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Human Computer InteractionHuman Computer Interaction 1414
(Re)Design
Identify needs/establish requirements
Evaluate
Build an interactive version
Final product
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Human Computer InteractionHuman Computer Interaction 1515
Interaction StylesInteraction Styles
• Command Line Interface
• Menus
• Question & Answer Dialogue
• Form-Fill Interface
• WIMP
• Direct Manipulation
• Natural Language
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Human Computer InteractionHuman Computer Interaction 1616
Interaction DevicesInteraction DevicesInput Devices
• Keyboards
• Mouse, Trackballs, Touch Pads
• Touch Screens
• Speech Input
• 3D trackers, 3D Mouse
Output Devices
• Screens
• Printers
• Sound Output
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Human Computer InteractionHuman Computer Interaction 1717
FutureFuture
• Artificial Intelligent
• Virtual Reality
• New Interface Devices
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Human Computer InteractionHuman Computer Interaction 1818
(Source - Input Output Devices, UCL)
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Human Computer InteractionHuman Computer Interaction 1919
ConclusionConclusion
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Human Computer InteractionHuman Computer Interaction 2020
ReferencesReferences
1. A brief history of Human Computer Interaction Technology, Brad A. Myers
2. Introduction to HCI, Matthias Rauterberg
3. Human Computer Interaction, Keith Andrews
4. Human Computer Interaction, 2nd Edition, Alan Dix
5. Cognitive Architectures and HCI, Wayne D. Gary, Richard M. Young
6. Usability Design, Jan Gulliksen
7. Future of HCI, Michael H. Coen
8. HCI, Nicky Danino
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Human Computer InteractionHuman Computer Interaction 2121
Thank YouThank You