JNTU
JNTU MCA 2019 HUMAN COMPUTER INTERACTION Previous Question Paper (April/May - 2019 - R13)
Part A is compulsory. Part B consists of 5 Units. Answer any one full question from each unit.
PART A
What are the benefits of good design?
Answer
Good design enhances user productivity by reducing cognitive load and errors. It increases user satisfaction and trust, leading to higher adoption rates. Furthermore, it reduces training and support costs by making the system intuitive and easy to learn, and it ensures accessibility for a broader range of users.
How the users physical characteristics that affect their performance with a system?
Answer
Physical characteristics such as vision, hearing, touch, and motor control directly impact how users interact with hardware. For example, visual acuity determines the required size and contrast of text, while motor control (dexterity) influences the design of input devices like mice or touchscreens. Anthropometric data, such as hand size and reach, informs the ergonomic layout of physical interfaces to prevent fatigue and repetitive strain injuries.
Discuss the goals of website navigation.
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Present a short note on TCL scripting language.
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Distinguish between QWERTY and ABCDE style.
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PART B
Discuss the impact of inefficient design.
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Discuss about views.
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Discuss about web interface designs.
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Differentiate between intranet and extranet.
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Discuss about ordering of screen data and content.
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State and explain various qualities which provides visually pleasing composition and give suitable examples for each quality.
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Explain different types of links.
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How to describe the choices in checkboxes?
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How to create 3-D look on a screen?
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What are the uses and problems with color?
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Write short notes on CASE environments.
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Differentiate between JavaScript and HTML.
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Define transition diagrams. Explain in detail about transition diagrams with an example and also give their advantages and disadvantages.
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Discuss about video displays.
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How many variations are there in speech technology?
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Define mouse. What are various types of mouse? Distinguish their operations. Compare mouse and joystick.
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