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CY-803 (C) · Human Computer Interaction/Important Questions

Human Computer Interaction (CY-803 (C)) - Important Questions

  1. Unit 314 Marks High Priority

    Explain Fitts' Law and derive the common formulation. Use the expression $T = a + b\log_2\left(\frac{2D}{W}\right)$ and compute an example movement time for given D and W.

    Core derivation from Unit 3; standard Fitts' Law derivation and numeric example frequently asked in exams.

  2. Unit 414 Marks High Priority

    Describe Nielsen's ten heuristics and show how to apply them in a heuristic evaluation for a web/mobile interface.

    Core theory from Unit 4; Nielsen's heuristics are repeatedly asked as a long-answer and application question.

  3. Unit 314 Marks High Priority

    Using GOMS/Keyboard Level Model, estimate the time for a specified task (keystrokes, pointing, homing). Show numeric KLM steps.

    Unit 3 applied modelling question; common time-estimation and KLM practice used in exams.

  4. Unit 310 Marks High Priority

    Explain the Model Human Processor and outline consequences for interface response times and design decisions.

    Core conceptual question from Unit 3; links human processor model to interface timing and design decisions.

  5. Unit 510 Marks High Priority

    Explain different methods of usability testing (for example: laboratory testing, remote testing, A/B testing, and moderated sessions). For each method discuss typical tasks, advantages, limitations, and the common metrics used to evaluate results.

    Unit 5 practical evaluation topic; asks for methods, measures and selection criteria for different usability-testing contexts.

  6. Unit 210 Marks High Priority

    Prepare a storyboard and use-case for a sample application (e.g., online shopping or mobile banking), identify primary stakeholder profiles and key tasks.

    Applied design and documentation question from Unit 2; often appears in exams to test scenario and stakeholder thinking.

  7. Unit 27 Marks High Priority

    Write use cases and scenarios for the 'purchase product' task in an online shopping application. Include actor definitions, main flow and at least two alternate flows.

    Unit 2 focused short-answer question; use-case writing and scenario specification are common short questions.

  8. Unit 57 Marks High Priority

    Define groupware. Describe design challenges and interface considerations for synchronous and asynchronous collaborative systems, giving examples for each.

    Unit 5 topic; collaborative systems and groupware design questions appear repeatedly as short/medium answer items.

  9. Unit 17 Marks Low Priority

    Compare different text entry devices and techniques (physical keyboard, virtual keyboard, T9, and gesture keyboards). Discuss performance metrics and design implications for each.

    Unit 1 hardware and interaction devices topic; asked less often but important for exam breadth.

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