JNTU previous papers B Tech 2nd Sem Examinations, Human computer interaction, Apr/May 2008

JNTU B.Tech II Semester Examinations, HUMAN COMPUTER INTERACTION, Apr/May 2008

(Information Technology)

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

SET-IV

1. (a) Discuss the impact of ineffecient screen design on processing time with an

example

(b) Discuss the chronological history of the internet [8+8]

 

2. (a) Compare the print page design and web page design

(b) What is meant by extranet? How it is different from internet? [10+6]

 

3. Discuss the important human characteristics which have influence on interface and

screen design [16]

 

4. What are display/read-only screens. Give a brief account of the guidelines to organise such screens. [16]

 

5. (a) What are the advantages and disadvantages of key-board?

(b) Identify the characteristics and capabilities of the following screen-based controls.

i. Selection controls

ii. Buttons [6+10]

 

6. What is an icon? What are the kinds of icons? Explain about each kind. [16]

 

7. (a) What is the role of user interference architects in building software tools?

(b) Give the BNF notation for a telephone book entry. [8+8]

 

8. Describe in detail about various kinds of keyboard layouts. [16]

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