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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.
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