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

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

  1. Unit 17 Marks Low 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 values of $D$ and $W$.

    Core quantitative model used for predicting human pointing performance; appears as a standard numerical/derivation question in Unit 1.

  2. Unit 114 Marks Low Priority

    Describe Nielsen's ten usability heuristics and demonstrate how to apply them in a heuristic evaluation for a web or mobile interface, citing at least three concrete examples of violations and recommended fixes.

    Fundamental heuristic evaluation topic; often asked as a descriptive + application question to assess practical evaluation skills.

  3. Unit 17 Marks Low Priority

    Explain the Model Human Processor and outline the consequences of this model for interface response times and key design decisions.

    Core cognitive model in HCI; tests understanding of human information processing and its implications for interface timings and design.

  4. Unit 110 Marks Low Priority

    Using GOMS/Keyboard Level Model (KLM), estimate the time required to complete the specified task (list of keystrokes, pointing, homing actions will be provided). Show detailed numeric KLM steps and final computation.

    Common analytical technique to estimate task times; practical calculation question using GOMS/KLM steps and timings.

  5. Unit 17 Marks High Priority

    Discuss text entry devices and techniques. Classify the major categories, compare their performance using appropriate metrics (e.g., words per minute, error rates), and describe design considerations for efficient mobile text entry.

    Repeated topic in Unit 1 according to past-paper analytics (text entry devices ranked most frequent). Covers classification, metrics and comparative performance.

  6. Unit 114 Marks Low Priority

    Prepare a storyboard and use-case for a sample application (for example, online shopping or mobile banking). Identify primary stakeholder profiles and enumerate the key tasks; explain how the storyboard and use-case inform interface design choices.

    Design-oriented question assessing ability to create user-centered artifacts (storyboard/use-case) and identify stakeholders and tasks.

  7. Unit 17 Marks Low Priority

    Compare different pointing and input devices (mouse, touch, stylus, trackball). Discuss selection criteria, ergonomic considerations and relevant performance measures for each device.

    Device comparison question to evaluate understanding of input device characteristics, selection criteria and performance trade-offs.

  8. Unit 17 Marks Low Priority

    Define the concepts of affordance, signifiers, mapping, feedback and constraints in the context of interaction design. Provide a practical example for each concept.

    Basic HCI principles question checking knowledge of interaction design fundamentals and their application.

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