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

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

  1. Unit 37 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 and numerical example; central Unit 3 topic (frequently examined).

  2. Unit 310 Marks High Priority

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

    Standard KLM / GOMS calculation question; tests procedural modelling and numeric estimation.

  3. Unit 37 Marks High Priority

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

    Core cognitive model question from Unit 3; asks for explanation and design implications.

  4. Unit 37 Marks Medium Priority

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

    Heuristic evaluation and application question; common practical topic though less frequent than core models.

  5. Unit 37 Marks Medium 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.

    Design artefact and task-analysis question useful for system design and usability tasks.

  6. Unit 310 Marks High Priority

    Explain the CMN-GOMS variant and perform a CMN-GOMS analysis for a given interactive task, identifying goals, operators, methods and selection rules.

    CMN-GOMS specific analysis question; emphasizes cognitive modelling variants used in Unit 3.

  7. Unit 37 Marks High Priority

    Discuss Working Memory in the Model Human Processor. Explain its capacity limits and implications for user interface design (e.g., chunking, recognition vs recall).

    Working memory focused question from the Model Human Processor topic; asks capacity, characteristics and design implications.

  8. Unit 37 Marks Medium Priority

    Using the Model Human Processor and known perceptual and cognitive cycle times, recommend acceptable interface response-time thresholds for a reactive application and justify your numbers.

    Applied interaction-time specification question derived from cognitive models; useful for justifying latency targets.

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