1.  Compare and contrast the following

a.  Serial and parallel visual search

b.  GOMS and SOAR user modelling systems

c.  Qualitative and Quantitative data analyses techniques

d.  Designing UI using MS Visual Studio and Python QT

e.  Heuristic Usability Evaluation and Cognitive Walkthrough

2.  Explain Spreading Activation model in the context of ACT-R cognitive architecture.

3.  Explain how Fitts’ Law is used to compare input pointing devices.

4.  Find mean, median, first quartile, third quartile, inner fence and outer fence for the following set of numbers 34, 22, 67, 12, 55, 87, 23, 145, 32, 90, 89, 5

5.  Investigate existing user interfaces of software applications, websites, smartphones or any other electronic product (like microwave oven, camera and so on). Identify three problems with existing user interfaces.         Propose a new design to address the problem. If possible, relate the problem with a human factor (like visual search, rapid aiming movement, learning, memory and so on)

6.  Why Depth First Search is not complete ?

7.  What is (are) the condition(s) for A* search to be optimally efficient?

8.  Write an expression and identify variables for Naïve Bayes’ Model?

9.  Define Precision and Recall in the context of Information Retrieval?

10.              What is Sphericity assumption in the context of ANOVA?

11.              What is the difference between parametric and non-parametric tests in the context of statistical hypothesis testing?

12.              Write one advantage and one disadvantage of a wearable eye gaze tracker over a screen mounted eye gaze tracker?

13.              Draw a set of blocks showing basic computation of a gesture recognition system. The input to the system will be live video feed and output will be a semantic gesture like tap, swipe and so on

14.              What is the input and output of a Convolutional Neural Network (CNN) in the context of object detection?

15.              What is the advantage of K-Medoids clustering over K-means clustering technique?

16.              Given the following statistics, what is the probability that a woman has cancer if she has a positive mammogram result?

·        One percent of women over 50 have breast cancer.

·        Ninety percent of women who have breast cancer test positive on mammograms.

·         Eight percent of women will have false positives.

17.              Consider the following neuron and relationship between input and output

18.              Design an intelligent user interface for smartphone based home appliance control system. Please identify the intelligent features of the interface or supported interaction.