Computer Graphics and Animation MCQ BCA Fifth Semester 2020 Batch

Which of the following feature of a virtual reality defines the amount and quality of stimuli and sensations?

1

Imagination

2

Immersion

3

Interaction

4

Morphing

If a polygon is to be scaled using a scaling factor, what should done?

1

scaling the center

2

scaling each end points

3

scaling each intermediate points of the edges of the polygon

4

translating to origin and again replacing it to original position

In back face detecion method, if the value of D < O, then..

1

plane is towards the observer

2

plane is at the origin

3

plane is away from the observer

4

plane is in between origin and the observer

How many bits per pixel is used to define 256 level of colors?

1

3

2

6

3

8

4

24

If a pint (2, 5) is reflected on the line x=3, what will the resulting point?

1

(2,8)

2

(4,5)

3

(5, 2)

4

(2,1)

If a point (3,4) is translated to a new (8,-3), what was the translation factor tx and ty?

1

tx=1 1 ,t’F1

2

tx.5, 1

3

tx=5,ty=-1

4

tx=5, ty=-7

Which of the following type of the virtual reality is used in a PC video game?

1

Non-immersive

2

Immersive

3

Semi-immersive

4

Mixed

In md-point circle drawing algorithm, if P<O, what will be the expression for the value of next decision parameter?

1

p-p+2X+l

2

p-p+2y+1

3

p=p+2x+2Y+1

4

p•p+2x-2Y+1

ln Sutherland Hodgeman polygon clipping algorithm, if first vertex is outside and second vertex is inside the which of the are added to the output list?

1

First vertex only

2

Intersection point only

3

First vertex and the intersection point

4

Intersection point and the second vertex

If the first bit of the region code of a point is 1, then where does this lie with respect to the clipping window?

1

Right

2

Left

3

Top

4

Bottom