MCQs on Computer Graphics
MCQs Computer Graphics


Q No.1


The point (4, 1) undergoes the following 3 transformations successively.
  1.  Reflection about the line y=x
  2. Translation through a distance of 2 units along the positive x-axis
  3. Rotation through an angle of π/4 about the origin in the counter clockwise direction.
The final position of the point will be

Option 1
(-1 /√2, 7/√2 ) 

Correct
Option 2
(1,4)
Option 3
(3/√2,-5/ √2)
Option 4
(3/ √(2,) 5 / √2  ) 
Q No.2

Find the incorrect  statement(s)
Option 1
A perspective projection produces realistic views.
Option 2
A parallel projection preserves realistic dimensions.
Option 3
A perspective projection preserves realistic dimensions.

Correct
Option 4
All of these
Q No.3

The people of the planet Mars designed a scale for measuring the temperature in which water freezes at 100 units and boils at 250 units. The people of Jupiter designed a scale in which water freezes at 75 units and boils at 300 units. A temperature of 200 units in Mars will measure_____ in Jupiter.
Option 1
300
Option 2
225

Correct
Option 3
250
Option 4
175
Q No.4

The people of the planet Mars designed a scale for measuring the temperature in which water freezes at 100 units and boils at 250 units. The people of Jupiter designed a scale in which water freezes at 75 units and boils at 300 units.
The two scales coincide at
Option 1
130
Option 2
165
Option 3
150

Correct
Option 4
170
Q No.5

Choose the correct statements (s).
Option 1
Random-scan monitors draw a picture one line at a time.

Correct
Option 2
The components line of a random-scan picture must be refreshed in a particular order.
Option 3
Raster-scan monitors draw a picture one line at a time.
Option 4
Random-scan method is well suited for displaying shading and colour areas.
Q No.6

The perspective anomaly in which the object behind the centre of projection is projected upside down and backward onto the view plane is called as
Option 1
Perspective foreshortening 
Option 2
Vanishing view
Option 3
View confusion

Correct
Option 4
Topological distortion
Q No.7

Which statement about beam penetration method for producing color display is/are true?
Option 1
it is used with raster-scan monitors.
Option 2
it is used with random-scan monitors.

Correct
Option 3
by using beam penetration method a wide range of colors can be obtained.
Option 4
it uses three electron gun, one each for green, blue and red colors.
Q No.8


 X=at2;  y=2at, is the parametric equation of a
Option 1
circle
Option 2
rectangular hyperbola
Option 3
parabola

Correct
Option 4
ellipse
Q No.9

Oblique projection with an angle of 45 to the horizontal plane is called as
Option 1
cabinet projection
Option 2
isometric projection 
Option 3
cavalier projection

Correct
Option 4
none of the above
Q No.10 

Which of the following curves are symmetric about the line x=y?
Option 1
|x|+|y|=9

Correct
Option 2
y= |x|
Option 3
y=x^3
Option 4
None of these


Q No.11

A line connecting the points (1, 1) and (5, 3) is to be drawn, using the DDA algorithm. Find the value of x and y increments.
Option 1
x-increment =1 ;  y-increment=1
Option 2
x-increment =0.5 ;  y-increment=1
Option 3
x-increment=1 ;  y-increment=0.5

Correct
Option 4
none of the these

Q No.12

Let the maximum number of pixels is a line be M. The number of subdivisions at most necessary using the mid-point subdivision method of clipping is
Option 1
N= logM

Correct
Option 2
N=2M
Option 3
n= 2M
Option 4
None of the these
 
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