# Madras University (UnOM) 2006 B.C.A Computer Application Computer graphics - exam paper

Monday, 12 August 2013 04:00Web

**PART A**- (10 x three = 30 marks)

ans any TEN ques..

All ques. carry equal marks.

every ans should not exceed 50 words.

**1.**List any 3 video display devices.

**2.**define the role of keyboard on a graphics

system.

3.Write about PRIGS.

**4.**explain line kinds available as line attributes.

**5.**List out any 3 character attributes.

**6.**describe the transformation scaling in two dimensions.

**7.**Write a note on : two dimensional viewing pipeline.

**8.**describe clipping. provide an example.

**9.**provide the logical classification of input devices.

**10.**What is meant by parallel projection?

**1**Define: three dimensional translation.

**1.****1**Write a note on: the back-face detection method.

**2.****PART B**- (5 x six = 30 marks)

ans any 5 ques..

All ques. carry equal marks.

every ans should not exceed 200 words.

**1**Write a note on hard copy devices.

**3.****1**Write and discuss DDA line drawing algorithm.

**4.****1**List and discuss area-fill attributes.

**5.****1**find the matrix corresponding to two

**6.**dimensional rotation.

**1**discuss the benefit of interactive picture construction

**7.**techniques by giving 1 such method.

**1**discuss the transformation from world to viewing

**8.**coordinates.

**1**discuss three dimensional reflection through an example.

**9.****PART C**- (4 x 10 = 40 marks)

ans any 4 ques..

All ques. carry equal marks.

every ans should not exceed 500 words.

**20.**Write and discuss midpoint circle generating algorithm.

provide an example.

**2**Write a detailed note on colour and grayscale levels.

**1.****2**discuss the concept of composite transformation for

**2.**representing any provided transformation as composite of standard

transformation.

**2**Write and discuss Cohen - Sutherland line clipping algorithm.

**3.****2**Write a detailed note on three-dimensional display methods.

**4.****2**Write and discuss the depth-buffer method for hidden surface

**5.**detection.

Earning: Approval pending. |