Job Saarnee

# Computer Graphics 99+ Most Important MCQ (Multi choice question) | Computer Graphics Most Important Solved [MCQs]

This Blog cover all possible Multi Choice Question from topic computer graphics

Total amount of question covers in  This MCQ series is 100. They cover all the important aspect related to that topic provided below.

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## Q 1. The Technique for showing that part of Drawing in which one is Interested is Called

a) Transformation

b) Clipping

c) Morphing

d) None of the above

Sol. b) Clipping

Explanation:

The Technique for showing that part of Drawing in which one is Interested is Called Clipping

## Q 2. Cohen Sutherland’s Algorithm is Based on

a) Divide and Conquer strategies

b) Recursion

c) Incremental Strategy

d) Greedy Approach

Sol. a) Divide and Conquer strategies

Q 3. Cohen-Sutherlands Algorithm divides the region or 2 D space into

a) 10 parts

b) 6 parts

c) 8 parts

d) 12 parts

Sol. 8 parts

## Q 4. The view Aspect Ratio is given by

a) (Vxmax – Vxmin)* (Vymax – Vymin)

b) (Vxmax – Vxmin)/ (Vymax – Vymin)

c) (Vymax – Vymin)/(Vxmax – Vxmin)

d) (Vymax – Vymin)/Vymin

Sol. b) (Vxmax – Vxmin)/ (Vymax – Vymin)

Q 5. The name of algorithm used for Polygon Clipping in 2 D transformation

a) Sutherland Hodgmen & Weiler Atherton

b) Nicholl Lee Nicholl & Nicholl Lee Nicholl

c) Weiler Atherton & Nicholl Lee Nicholl

d)  Liang Barsky & Cohen Sutherland

Sol. Sutherland Hodgmen & Weiler Atherton

## Q 6. What are the Draw Back of Z-Buffer Algorithm

a) It is a Time consuming process and it can work with any type object

b) It require extra Space and it can work with only Transparent object

c) It is more simpler approach

d) None of the above

Sol. It require extra Space and it can work with only Transparent object

Q 7. Z-buffer originally Proposed By

a) Warnock

b) Catmull

c) Boehm

d) Jacoson

Sol. b) Catmull

## Q 8. Painter Algorithm is

a) Image Space Method

b) Image space and object Space both

c) Object Space Method

d) Global Space Method

Sol. Image space and object Space both

Q 9. Wornock’s algorithm work on

a) Back Tracking

b) Greedy Approach

c) Dynamic programming

d) Divide and conquer

Sol.  d) Divide and conquer

Q
10. Use cohen Sutherland algorithm to clip the line P1(70,20) and P2(100,10)
against a window lower left hand corner (50,10) and upper right hand corner
(80,40)

a)
P1(70,80) and P2(80,19)

b)
P1(70,80) and P2(80,19.77)

c)
P1(70,80) and P2(80,16.667)

d)
P1(70,80) and P2(80.99,19.88)

Sol.
P1(70,80) and P2(80,16.667)

Q
11. Find the Coordinate of the line segment when line y=x+2 is clipped against
a circular window and r=squar root(20)

a)
(2,4 ) and (-4,-8)

b)
(3,4) and (-4,-2)

c)
(2,6) and (3,8)

d)
(2,4) and (-4,-2)

Sol.
(2,4) and (-4,-2)

Q
12. Perform a 45 deg rotation of triangle a(0,0) b(1,1) c(5,2) about origin

a)
A'(0,0 ) B'(0,sq root 2) C(3sqroot 2/2, 7 sqroot 2/2)

b)
A'(0,0 ) B'(0,sq root 2) C(3/2, 7/2)

c)
A'(4,0 ) B'(0,2) C(3/2, 7 sqroot 2/2)

d)
A'(0,3 ) B'(0,2) C(3sqroot 2/2, 7 sqroot 2/2)

Sol.
A'(0,0) B'(0,sq root 2) C(3sqroot 2/2, 7 sqroot 2/2)

Computer Graphics Multiple Choice Questions and

Q 13. An Image is Stored in a

a) Display

b) Center Processing Unit

c) Display Files

d) None of the above

Sol. c) Display Files

Q14 The Term Computer Graphics was first
coined by

a) William fetter in 1960
b) James fetter in 1963
c) James gosling in 1992
d) John Taylor in 1981

Sol. a) William fetter in 1960

Q15. Which attribute is used to hide or
Display a Segment

a) Visibility

b) Scale-y

c) Scale-x

d) None of the above

Sol. a) Visibility

Q16. Three dimensional graphics become
popular in games designing, multimedia and animation during

a) 1960

b) 1970

c) 1980

d) 1990

Sol. d) 1990

Q 17. The Technique of Transforming one
object to another

object is called

a) Translation

b) Scaling

c) Morphing

d) Rotation

Sol. c) Morphing

Q 19. The Process of changing the Sizes,
Orientations or Position of any object is called

a) Scaling

b) Rotation

c) Translation

d) none of the above

Sol. a) Scaling

Q 20. The transformation in which an
object is changing relative to stationary coordinate system is Known as

a) Coordinate Transformation

b) Transformation

c) Geometric Transformation

d) None of the Above

Sol.
Geometric Transformation

Q 21. In clock wise rotation theta is

a) Negative

b) Positive

c) negative or positive both

d) none of the above

Sol. a) Negative

Q 22. While uniform scaling

a) Sx = Sy < 1

b) Sx = Sy = 1

c) Sx = Sy > 1

d) None of the above

Sol. c) Sx = Sy > 1

Q 23. For a Physical Point (4,8)
equivalent homogeneous Representation can be

a) (1,2,3) (1,4,2)

b) (8,16,2) (16,32,4)

c) (4,8,2) (8,4,3)

d) All of the above

Sol.
b) (8,16,2) (16,32,4)

Q 24. Transformation occur in 2 D graphics
are

a) Circular

b) Linear

c) Non Linear

d) All of the above

Sol. Linear

Q 25. In Shearing Transformation if
Shearing Shx and Shy is zero them its mean

a) Positive Shearing

b) Negative Shearing

c) No Shearing

d) None of the above

Sol. c) No Shearing

Q 26. Which point lies on the same side of
the origin with

Reference to Line 3 x + 7 y = 2

a) (3 , 0)

b) (1 , 0)

c) ( 0.5, 0.5)

d) ( 0.5, 0)

Sol. ( 0.5, 0)

Q 27. A graphic Display System has frame
buffer that is 640 pixels wide and 480 pixel high and 1 bit color depth. If
access time for each pixel on the average is 200 nano seconds then the refresh
Rate of this Frame Buffer is Approximately

a) 16 frame per second

b) 19 frames per second

c) 21 frames per second

d) 23 frame per second

Sol. 16 frame per second

Q28 during Scaling if scaling factor are
Sx=Sy=Sz>1 then Scaling

is called

a) Reduction

b) Magnification

c) Rotation

d) shearing

Sol. Magnification

Q 29. In Cavalier projection line
perpendicular to projection plane

are preserved in length

a) L = 1/2

b) L = 1

c) L = 2

d) L = 3

Sol. L = 1

Q 30. Select the Perspective Anomaly form
the following

a) Perspective Foreshortening

b) Perspective increasing

c) center of projection

d) none of the above

Sol. Perspective Foreshortening

Q31. If the view plane is moving towards
the reference point the

projection size goes on

a) Decreasing

b) Increasing

c) Remain unchanged

d) None of the above

Sol. Decreasing

Q 32 Locators are also Known as

a) Pointing Device

b) Positioning Device

c) Sampled Device

d) all of the above

Sol. Positioning Device

Q 33. The Process of providing the user
with the information

about his action in an interactive System is
called as

a) positioning

b) Locating

c) Echoing

d) none of the above

Sol. c) Echoing

Q34. process of creating high quality
realistic images is called

a) rendering

b) video

c) animation

d) none of the above

Sol. a) Rendering

Q35. The Degree of curve is given by

a) degree = order

b) degree = order -1

c) degree = order +1

d) degree = order * order

Sol. b) degree = order -1

Q36. when both the first and second
derivative of two piece are

same at the Intersection then it is Known
as

a) First order Parametric Continuity

b) Fourth order Parametric Continuity

c) Second order Parametric Continuity

d) Third order Parametric Continuity

Sol. c) Second order Parametric Continuity

Q 37 Fastest method of Polygon shading

d) None of the above