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Virtual University- Human Computer Interaction 1 Imran Hussain | UMT Imran Hussain Assistant Professor University of Management and Technology (UMT) Lecture.

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Presentation on theme: "Virtual University- Human Computer Interaction 1 Imran Hussain | UMT Imran Hussain Assistant Professor University of Management and Technology (UMT) Lecture."— Presentation transcript:

1 Virtual University- Human Computer Interaction 1 Imran Hussain | UMT Imran Hussain Assistant Professor University of Management and Technology (UMT) Lecture 2 Introduction to Human-Computer Interaction - Part II Virtual University Human-Computer Interaction

2 Virtual University- Human Computer Interaction 2 Imran Hussain | UMT A Day in Office - Video Clip

3 Virtual University- Human Computer Interaction 3 Imran Hussain | UMT Having a bad day? Someone was having a bad day?

4 Virtual University- Human Computer Interaction 4 Imran Hussain | UMT In the Last Lecture …

5 Virtual University- Human Computer Interaction 5 Imran Hussain | UMT Computers are Everywhere Computer invasion has started Traditional notion of computers Computers are everywhere Computers will annoy, infuriate, and even kill

6 Virtual University- Human Computer Interaction 6 Imran Hussain | UMT Riddles for the Information Age Computer + Alarm Clock Computer + Camera Computer + Car Computer + Warship Computer + Airplane

7 Virtual University- Human Computer Interaction 7 Imran Hussain | UMT HCI – A Formal Definition “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” -ACM/IEEE

8 Virtual University- Human Computer Interaction 8 Imran Hussain | UMT Food for Thought I asked you questions about the reasons for this? –Whose fault is it?

9 Virtual University- Human Computer Interaction 9 Imran Hussain | UMT In Today’s Lecture … Significance of HCI –Adverse impact of computer technology on humans and reasons for these adverse effects Nature of humans and computers Paradox of the computing phenomena Difference between focus of SE and HCI

10 Virtual University- Human Computer Interaction 10 Imran Hussain | UMT Computer + Airplane NTSB investigates: ‘human error’ Pilot selected the wrong radio navigation fix Radio navigation fix selector Course deviation dial Airplane Navigation Computer (front panel)

11 Virtual University- Human Computer Interaction 11 Imran Hussain | UMT Computer + Airplane Course deviation indicator needle is centered when plane is on course No indication of wrong fix selection Before and after scenario Not the pilots fault: –Computer told pilot he was tracking precisely to the beacon he had selected

12 Virtual University- Human Computer Interaction 12 Imran Hussain | UMT Joke (from computer industry) Man in small airplane Lost in clouds Asks directions from man in building –‘you are in plane 100ft above ground’ Man in plane knew it was software engineer from Microsoft Answer was correct and factual, but no help whatsoever

13 Virtual University- Human Computer Interaction 13 Imran Hussain | UMT Fundamental Truths about Computers Computers are ubiquitous –Everything we use is equipped with computer technology and so is their characteristically poor way of communicating and behaving –As we saw in plane example

14 Virtual University- Human Computer Interaction 14 Imran Hussain | UMT Fundamental Truths about Computers Communication was precise and exacting while still being tragically wrong Course Deviation Indicator could have told they pilot that Romeo was the wrong fix but it choose not too Computers are unconcerned only cared about its internal working

15 Virtual University- Human Computer Interaction 15 Imran Hussain | UMT Fundamental Truths about Computers 1.They tell but do not inform. 2.They may guide us with precision but they do not guide us where we want to go.

16 Virtual University- Human Computer Interaction 16 Imran Hussain | UMT So who is to be blamed? Can we Say “Human Error on part of the pilot” Or can we blame the computer for it?

17 Virtual University- Human Computer Interaction 17 Imran Hussain | UMT Fundamental Truths about Computers Computers are invading every aspect of modern life, but their communication is poor

18 Virtual University- Human Computer Interaction 18 Imran Hussain | UMT Cost of Features Every digital device has more features than its manual counterpart

19 Virtual University- Human Computer Interaction 19 Imran Hussain | UMT BMW 7 Series with iDrive The ultimate driving machine

20 Virtual University- Human Computer Interaction 20 Imran Hussain | UMT BMW 7 Series with iDrive L745i All Electronic Controls In one Knob climate, entertainment, navigation, car information etc Takes 15 mins to change a Radio Channel the fundamental flaw : you absolutely have to take your eyes off the road to change settings, Result, Constant Calls to Help Desk

21 Virtual University- Human Computer Interaction 21 Imran Hussain | UMT Feature Shock Every digital device has more features than its manual counterpart But manual devices easier to use –Flexibility –Subtlety –Awareness Hi-tech companies add more feature to improve product –Product becomes complicated Bad process can’t improve product

22 Virtual University- Human Computer Interaction 22 Imran Hussain | UMT Reality Check and Question Computers are everywhere Is all computer-aided equipment inherently hard to use? –More about this later

23 Virtual University- Human Computer Interaction 23 Imran Hussain | UMT Humans vs. Computers

24 Virtual University- Human Computer Interaction 24 Imran Hussain | UMT Understanding Nature of Computers and Humans 2 species: Human vs. Computers

25 Virtual University- Human Computer Interaction 25 Imran Hussain | UMT Humans (aka Homo Sapiens) Complex Intelligent Animate Free will Range of emotions Make mistakes Most interesting and fascinating specie on planet

26 Virtual University- Human Computer Interaction 26 Imran Hussain | UMT Computer Specie Dumb Unintelligent Inanimate Only do what they are told to do Don’t make mistakes

27 Virtual University- Human Computer Interaction 27 Imran Hussain | UMT Once Upon a Time Humans were responsible for performing tasks in business world Including interacting with other human beings Example: salesperson

28 Virtual University- Human Computer Interaction 28 Imran Hussain | UMT Once Upon a Time Salesperson would judge customer –Tone –Attitude –Body language –Understand questions –Provide relevant answers

29 Virtual University- Human Computer Interaction 29 Imran Hussain | UMT Now we’re.. Expecting computers to mimic human behavior, e.g. e-commerce systems Asking a DUMB, INANIMATE object to perform complex tasks that humans used to perform And perform with same level of EFFICIENCY, EFFECTIVENESS and ACCURACY as a human

30 Virtual University- Human Computer Interaction 30 Imran Hussain | UMT A very CHALLENGING if not IMPOSSIBLE thing to do

31 Virtual University- Human Computer Interaction 31 Imran Hussain | UMT Porsche Customers Before and after scenario Engine is now run by software built by software engineers

32 Virtual University- Human Computer Interaction 32 Imran Hussain | UMT Acceptable levels of quality for software engineers are far lower than are those for traditional engineering disciplines

33 Virtual University- Human Computer Interaction 33 Imran Hussain | UMT Reality Check Computers are everywhere Is all computer-aided equipment inherently hard to use? –No Computer-based products are NOT hard to use –It’s the wrong process –It’s the competency

34 Virtual University- Human Computer Interaction 34 Imran Hussain | UMT What is the Relationship between Software Engineers and Apartheid? Apartheid ? Nelson Mandela? South Africa –Regime

35 Virtual University- Human Computer Interaction 35 Imran Hussain | UMT What is the Relationship between Software Engineers and Apartheid? Apartheid –Racial segregation; specifically : a policy of segregation and political and economic discrimination against non-European groups in the Republic of South Africa Software Apartheid –Institutionalizing obnoxious behavior and obscure interaction of software-based products Comparison of Social Activist and Software Engineers Institutionalizing apartheid

36 Virtual University- Human Computer Interaction 36 Imran Hussain | UMT Paradox … Why Were Computers Invented? Computerized tools hard to use Computers were invented to make life easy, convenient and efficient Cheaper for manufacturers to control the internal functioning of devices through computers Computers make us lose money, annoy us, even kill us! – a paradox

37 Virtual University- Human Computer Interaction 37 Imran Hussain | UMT HCI and Software Engineers Software engineers focus on internal workings of software In HCI we are concerned with external workings of software

38 Virtual University- Human Computer Interaction 38 Imran Hussain | UMT HCI – A Formal Definition “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” -ACM/IEEE

39 Virtual University- Human Computer Interaction 39 Imran Hussain | UMT What We Learnt Today … Significance of HCI –Adverse impact of computer technology on humans and reasons for these adverse effects Nature of humans and computers Paradox of the computing phenomena Difference between focus of SE and HCI

40 Virtual University- Human Computer Interaction 40 Imran Hussain | UMT Next Lecture Effect of computer systems on human productivity, employee loyalty, customer loyalty and revenue


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