JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD MCA V Semester HUMAN COMPUTER INTERACTION Previous Question Paper (August - 2017 - R13)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b, c as sub questions.
Part A
What are the benefits of good design? Discuss.
Answer
Good design significantly enhances user productivity by reducing cognitive load and minimizing errors. It improves user satisfaction and trust, leading to higher adoption rates and reduced training requirements. Furthermore, effective design lowers support and maintenance costs by preventing common usability issues, ultimately resulting in a more efficient and competitive product.
What are the guidelines for displaying graphic components on screen?
Answer
Guidelines for displaying graphic components include: maintaining consistency in visual style and layout; ensuring high contrast between foreground and background for readability; limiting the number of colors to avoid visual clutter; using standard icons that are universally recognizable; and providing clear visual hierarchy to guide the user's focus toward primary actions.
What are the advantages and disadvantages of frames?
Answer
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Write a brief note on Galaxy scripting language.
Answer
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List the novel pointing devices and explain any two.
Answer
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Part B
Compare and contrast the differences between GUI and Web user interface.
Answer
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State and explain the principles in designing the Xerox STAR.
Answer
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Define statistical graphics and explain different types of statistical graphics.
Answer
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What are the qualities of screen elements? How they are useful in providing a visually pleasing appearance? Discuss.
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Explain the guidelines for selecting the proper device-based controls.
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Explain different types of Icons and their characteristics.
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Enumerate the role of software engineering tools in building the user interface.
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What are the advantages and disadvantages of state charts? Explain with an example.
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Describe the working of Liquid Crystal Display (LCD) devices.
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What are the features of QWERTY Layout? Explain how it is different from ABCDE and DVORAK layouts.
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