MCQs on Computer Graphics MCQs Computer Graphics Q No.1 The point (4, 1) undergoes the following 3 transformations suc...
MCQs on Computer Graphics
MCQs Computer Graphics
Q No.1
The point (4, 1) undergoes the following 3 transformations successively.
- Reflection about the line y=x
- Translation through a distance of 2 units along the positive x-axis
- Rotation through an angle of π/4 about the origin in the counter clockwise direction.
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
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= log2 M
Correct |
Option 2
|
N=2M
|
Option 3
|
n= 2M
|
Option 4
|
None of the these
|
