## COMPUTER GRAPHICS, BCA Question Paper

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Roll No. ......................
Total No. of Questions : 13]                                                                        [Total No. of Pages : 02

Paper ID [A0223]
(Please fill this Paper ID in OMR Sheet)
BCA (503)(Old/S05) (Sem. - 5th)
COMPUTER GRAPHICS

Time : 03 Hours                                                                       Maximum Marks : 75

Instruction to Candidates:
1) Section -A is Compulsory.
2) Attempt any Nine questions from Section - B.

Section - A<
(15 × 2 = 30)
Q1)
a) What is a Digitizer?
b) Why won.t a light pen work with a liquid crystal display (LCD)?
c) Differentiate line and dot matrix printer.
d) How many bits are required for ASCII code transferring information from Keyboard to computer & why?
e) What are the major components of a Flat Bed plotter?
f) List some disadvantages of LCDs.
g) Define persistence in terms of CRT.
h) What are the major components of LCD?
i) What are the difference between raster scan CRTs and random access or vector CRTs?
j) What are the four major adverse side effects of Scan Conversion?
k) Write the general form of a scaling matrix with respect to a fixed point P(a, b)?
l) Write down the three sequences of transformations for complete 3D viewing process.
m) Find the equation of Line y¢ = m x¢ + b in x¢ y¢ coordinate system results from 90 degree rotation of xy coordinate.
n) What do you mean by 3-D Scaling geometric Transformation?
o) What do you mean by Projection? What are its basic methods of Projection?
Section - B
(9 × 5 = 45)
Q2) Write a Note on Joysticks.
Q3) Explain the working of Touch Screen panel.
Q4) What are the Flat bed plotters? Explain the various components of Flat bed Plotter.
Q5) Draw a diagram of a CRT and label its five major components.
Q6) What are the three major approaches used to design a touch sensitive screen and how do they work?
Q7) Indicate which raster locations would be chosen by Bresenham.s algorithm when scan converting a line from screen coordinate (2, 2) to screen coordinate (9, 6).
Q8) What are the steps required to plot a line using the slope method?
Q9) Describe the transformation ML which reflects an object about a Line L.
Q10) Draw the isometric and dimetric projections of a unit cube onto the xyplane.
Q11) Find the equations of the planes forming the View Volume for general parallel
projections.
Q12) Perform a 30 degree rotation of a triangle A(0, 0), B(1, 1) C(5, 2) about origin and about P(.1, .1).
Q13) How do we determine whether a Point P is inside or outside the View Volume.