Bihar SBTE Diploma CSE 6 Sem Dec 2019 Computer Graphics Paper

Bihar SBTE Polytechnic Diploma Computer Science & Engineering 6 Sem Dec 2019 Computer Graphics Paper

 

Sr. No. Questions with options
1 GIF supports

(a)  256 colours

(b) 572 colours

(c)  1024 colours

(d) 16 million colours

2 Dragging in computer graphics can be achieved through which of the following transformation?

(a)  Translation

(b) Rotation

(c)  Scaling

(d) Mirror reflection

3 Disadvantage of DDA is

(a)  Round of error

(b) Subtraction error

(c)  Addition error

(d) (a) & (b)

4 Bresenham’s line drawing is superior then DDA because

(a)  It does not require floating point arithmetic

(b) No round-up is require

(c)  Both (a) &  (b)

(d) It is easily computable

5 The memory are which holds a set intensity values for all the screen points is

(a)  Frame buffer

(b) Refresh RAM

(c)  Video cache

(d) RAM

6 The amount of memory in frame buffer is called

(a)  Bit plane

(b) Plane

(c)  Bit

(d) None of these

7 The slope of the Bezier curve at the starting of the curve is controlled by

(a)  First control point

(b) First two control points

(c)  First three control points

(d) All four control points

8 Z – buffer algorithm is used for

(a)  Frame buffer removal

(b) Hidden line removal

(c)  Rendering

(d) Animation

9 When projection lines are perpendicular to the view then such type of projection is called

(a)  Parallel

(b) Perspective

(c)  Orthographic

(d) Oblique

10 After arbitrary 2D transformation, a pair of parallel lines

(a)  Become intersecting

(b) Become coincident

(c)  Remain parallel

(d) Become circular arcs

11 Sutherland – Hodgemon algorithm is used for

(a)  Line clipping

(b) Point clipping

(c)  Polygon clipping

(d) Hybrid clipping

12 The term that is NOT synonymous with vector CRT is

(a)  Calligraphic CRT

(b) Raster CRT

(c)  Stroke-writing CRT

(d) Random-scan CRT

13 Raster means

(a)  Series of parallel lines

(b) Series of parallel blocks

(c)  Series of parallel medium

(d) Series of parallel sweeps

14 Resolution can be defined by

(a)  Number of component

(b) Number of small square boxes

(c)  Number of pixels

(d) Number of pixels per unit length

15 In Bresenham’s circle generation algorithms & If (x,y) is the current pixel position then the x-value of the next pixel position is

(a)  X

(b) X-1

(c)  X+1

(d) X+2

16 The process of selecting and viewing the picture with different view is called?

(a)  Windowing

(b) Clipping

(c)  Projecting

(d) Both (a) & (b)

17 The most basic transformation that are applied in three-dimensional  planes are

(a)  Translation

(b) Scaling

(c)  Rotating

(d) All of these

18 Parallel projection shows the

(a)  True image of an object

(b) True size of an object

(c)  True shape of an object

(d) All of these

  Data Collected By – K. Jeyanthi
  Published On – 20th April 2022
   
   

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