MERU UNIVERSITY OF SCIENCE AND TECHNOLOGY 

University Examinations 2013/2014 
THIRD YEAR, SECOND SEMESTER END OF SEMESTER EXAMINATION FOR THE 
DEGREE IN BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY 
AND  
FOURTH YEAR, SECOND SEMESTER END OF SEMESTER EXAMINATION FOR THE 
DEGREE IN BACHELOR OF BUSINESS IN INFORMATION TECHNOLOGY 
ICS 2327, ICS 2311 – COMPUTER GRAPHICS 
DATE: APRIL 2014             TIME:  2HOURS 
INSTRUCTIONS:  SECTION A: COMPULSORY 
QUESTION ONE 
(a)  Discuss the role of Graphical User Interface in adoption of computer usage.  (5  marks) 
(b) Discuss any two raster file formats.            (4 marks) 
(c)  Differentiate between LCD and PDP screens.          (5 marks) 
(d) Briefly describe any FOUR application areas for computer graphics.    (4marks) 
(e)  Briefly discuss the following color schemes.          (6 marks) 
i.  RGB 
ii.  CMY 
(f)  Show the output of the following monochrome image file.      (6 marks)
  4,4,1010101010101010           
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QUESTION TWO  
(a)  With aid of a diagram describe the raster display architectures.      (6 marks) 
 
(b) Outline ALL parameters that can be used to measure the performance of computer monitors. 
                      (8 marks) 
 
(c)  Define the term clipping and explain how to achieve polygon clipping.   (8 marks) 
CHAPTER THREE  
(a)  Outline the advantages of CRT screen.           (6 marks) 
 
(b)     List down the three display technology used with computer graphical displays.   
                     (3 marks) 
(c)    Discuss some basic methods used to acquire images/graphics into the computer systems.  
                     (5 marks) 
(d)     In memory mapping differentiate between Peeking and Poking.    (6 marks) 
QUESTION FOUR  
a)  State and explain the following types of transformation using appropriate diagram. 
i.  Translation  
ii.  Rotation  
iii.  Uniform Scaling               (6 marks) 
 
b)  Using Bresenham’s line drawing algorithm scan convert a line form (0,0) to (19,8)  
endpoints.                  (8 marks) 
 
c)   Write brief notes on the subject of global illumination.      (6 marks) 
QUESTION FIVE  
a)  Differentiate between Digital Differential analyzer line drawing algorithm and Bresenham’s 
line drawing algorithm                  (7 marks) 
 
b)   Discuss any two types of line clipping algorithms.          (7 marks) 
 
c)   Write advantages and disadvantages of plasma panel displays.        (6 marks) 

 
 
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