MCQOPTIONS
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MCQOPTIONS
This section includes 88 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Graphics knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The region code of a point within the window is ............ |
| A. | 0000 |
| B. | 0001 |
| C. | 1000 |
| D. | 1111 |
| Answer» B. 0001 | |
| 52. |
If the eccentricity is less than one then the conic is ? |
| A. | parabola |
| B. | ellipse |
| C. | hyperbola |
| D. | circle |
| Answer» C. hyperbola | |
| 53. |
The result of logical AND operation with endpoint region codes is a nonzero value. Which of the following statement is true? |
| A. | The line is completely inside the window |
| B. | The line is completely outside the window |
| C. | The line is partially inside the window |
| D. | The line is already clipped |
| Answer» C. The line is partially inside the window | |
| 54. |
When the projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane is called_________________ |
| A. | cavalier projection |
| B. | isometric projection |
| C. | perspective projection |
| D. | oblique projection |
| Answer» E. | |
| 55. |
Projection line is |
| A. | Continuous thick line |
| B. | Continuous thin line |
| C. | Chain thin line |
| D. | Dashed line |
| Answer» C. Chain thin line | |
| 56. |
The region against which an object is clipped is called a .............. |
| A. | Clip window |
| B. | Boundary |
| C. | Enclosing rectangle |
| D. | Clip square |
| Answer» B. Boundary | |
| 57. |
In a clipping algorithm of Cohen & Sutherland using region codes, a line is already clipped if the ? |
| A. | codes of the end point are same |
| B. | logical AND of the end point code is not 0000 |
| C. | both (a) and (b) |
| D. | logical AND of the end point code is 0000 |
| Answer» D. logical AND of the end point code is 0000 | |
| 58. |
The centre of projection for parallel projectors is at |
| A. | Zero |
| B. | Infinity |
| C. | One |
| D. | None of these |
| Answer» C. One | |
| 59. |
The simplest output primitive is ............ |
| A. | Straight line |
| B. | Straight line segment |
| C. | Point |
| D. | Circle |
| Answer» D. Circle | |
| 60. |
A polygon in which the line segment joining any 2 points within the polygon may not lie completely inside the polygon is called __? |
| A. | convex polygon |
| B. | concave polygon |
| C. | both (a) and (b) |
| D. | none of these |
| Answer» C. both (a) and (b) | |
| 61. |
In random scan display, the frame buffer holds ...................... |
| A. | Line drawing commands |
| B. | Scanning instructions |
| C. | Image Resolution |
| D. | Intensity information |
| Answer» B. Scanning instructions | |
| 62. |
In DVST, the electron beam from primary electron gun strikes on .............. |
| A. | Storage mesh |
| B. | Flood gun |
| C. | Collector mesh |
| D. | Phosphor screen |
| Answer» B. Flood gun | |
| 63. |
The method which used either delta x or delta y, whichever is larger, is chosen as one raster unit to draw the line this algorithm is called? |
| A. | DDA Line Algorithm |
| B. | Midpoint Line Algorithm |
| C. | Bresenham`s Line Algorithm |
| D. | Generalized Bresenham`s Algorithm |
| Answer» B. Midpoint Line Algorithm | |
| 64. |
The projection that can be viewed as the projection that has a centre of projection at a finite distance from the plane of projection are called |
| A. | Parallel projection |
| B. | Perspective projection |
| C. | Isometric projection |
| D. | None of these |
| Answer» C. Isometric projection | |
| 65. |
The process of selecting and viewing the picture with different views is called_______________ |
| A. | Windowing |
| B. | clipping |
| C. | both (a) and (b) |
| D. | projecting |
| Answer» B. clipping | |
| 66. |
In raster scan display, the frame buffer holds ...................... |
| A. | Line drawing commands |
| B. | Scanning instructions |
| C. | Image Resolution |
| D. | Intensity information |
| Answer» E. | |
| 67. |
The first viewing parameter we must consider is the? |
| A. | view reference plane |
| B. | view reference point |
| C. | viewing window |
| D. | shift vector |
| Answer» C. viewing window | |
| 68. |
The region code of a point is 1001. The point is in the ................. region of window. |
| A. | Top right |
| B. | Top lef |
| C. | Bottom lef |
| D. | Botton right |
| Answer» C. Bottom lef | |
| 69. |
Orthographic projection represents three dimensional objects in |
| A. | One dimension |
| B. | Two dimension |
| C. | Three dimension |
| D. | All of the above |
| Answer» C. Three dimension | |
| 70. |
In the term ortho-graphic, ‘orthos’ means |
| A. | Drawing |
| B. | Straight |
| C. | Projection |
| D. | View |
| Answer» C. Projection | |
| 71. |
In orthographic projection, the projection lines are ______ to the projection plane. |
| A. | Parallel |
| B. | Orthogonal |
| C. | Inclined |
| D. | Any of the above |
| Answer» C. Inclined | |
| 72. |
The quality of an image depend on |
| A. | No. of pixel used by image |
| B. | No. of line used by image |
| C. | No. of resolution used by image |
| D. | None of these |
| Answer» B. No. of line used by image | |
| 73. |
In orthographic projection, the object is placed with one of its faces ______ to the picture plane. |
| A. | Inclined |
| B. | Perpendicular |
| C. | Parallel |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 74. |
The point, from which the observer is assumed to view the object, is called |
| A. | Center of projection |
| B. | Point of projection |
| C. | Point of observer |
| D. | View point |
| Answer» B. Point of projection | |
| 75. |
A palette can be defined as a finite set of colors for managing the |
| A. | Analog images |
| B. | Digital images |
| C. | Both a & b |
| D. | None of these |
| Answer» C. Both a & b | |
| 76. |
The two ways of drawing orthographic projection are |
| A. | First angle, second angle |
| B. | First angle, third angle |
| C. | Second angle, third angle |
| D. | Second angle, fourth angle |
| Answer» C. Second angle, third angle | |
| 77. |
Orthographic projection is also known as |
| A. | Single view projection |
| B. | Two view projection |
| C. | Multi view projection |
| D. | All of the above |
| Answer» D. All of the above | |
| 78. |
FOR_A_POINT_TO_BE_CLIPPED,_WHICH_OF_THE_FOLLOWING_CONDITIONS_MUST_BE_SATISFIED_BY_THE_POINT??$ |
| A. | yw<sub>min</sub> < y < yw<sub>max</sub> |
| B. | yw<sub>min</sub> > y > yw<sub>max</sub> |
| C. | yw<sub>min</sub> = y = yw<sub>max</sub> |
| D. | xw<sub>min</sub> < x < xw<sub>max</sub> |
| Answer» C. yw<sub>min</sub> = y = yw<sub>max</sub> | |
| 79. |
In polygon clipping, line clipping algorithms can be used.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 80. |
Which type of clipping is used to clip character strings?$ |
| A. | text clipping |
| B. | line clipping |
| C. | sentence clipping |
| D. | word clipping |
| Answer» B. line clipping | |
| 81. |
For a point to be clipped, which of the following conditions must be satisfied by the point? |
| A. | xw<sub>min</sub> < x < xw<sub>max</sub> |
| B. | xw<sub>min</sub> = x = xw<sub>max</sub> |
| C. | xw<sub>min</sub> > x > xw<sub>max</sub> |
| D. | yw<sub>min</sub> = y = yw<sub>max</sub> |
| Answer» D. yw<sub>min</sub> = y = yw<sub>max</sub> | |
| 82. |
Which of the following is NOT a type of clipping algorithm used on the raster system? |
| A. | line clipping |
| B. | point clipping |
| C. | area clipping |
| D. | solid clipping |
| Answer» E. | |
| 83. |
For a 2d transformation viewing, in how many ways a clipping algorithm can be applied? |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 5 |
| Answer» C. 1 | |
| 84. |
The process of elimination of parts of a scene outside a window or a viewport is called _____________ |
| A. | cutting |
| B. | plucking |
| C. | clipping |
| D. | editing |
| Answer» D. editing | |
| 85. |
Which of the following co-ordinates are NOT used in 2d viewing transformation? |
| A. | modelling co-ordinates |
| B. | viewing co-ordinates |
| C. | vector co-ordinates |
| D. | device co-ordinates |
| Answer» D. device co-ordinates | |
| 86. |
Any convenient co-ordinate system or Cartesian co-ordinates which can be used to define the picture is called ___________ |
| A. | spherical co-ordinates |
| B. | vector co-ordinates |
| C. | viewport co-ordinates |
| D. | world co-ordinates |
| Answer» E. | |
| 87. |
Co-ordinates are ranging according to the screen resolution. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 88. |
A view is selected by specifying a sub-area of the __________ picture area. |
| A. | half |
| B. | total |
| C. | full |
| D. | quarter |
| Answer» C. full | |