Bihar SBTE Polytechnica Diploma Computer Science & Engineering 6 Sem May 2019 Computer Graphics Paper
| Sr. No. | Questions with options |
| 1 | How many types of video compressions ?
(a) 2 (b) 3 (c) 4 (d) 5 |
| 2 | Which image files are a lossy format?
(a) GIF (b) MPEG (c) JPEG (d) PNG |
| 3 | How many steps process for creating a 3D animation ?
(a) 1 (b) 2 (c) 3 (d) 4 |
| 4 | JPEG stands for
(a) Joint Photo Experts Gross (b) Joint Photographic Experts Gross (c) Joint Photographic Experts Group (d) Joint Photographic Expression Group |
| 5 | Which compressions provide some loss of quality ?
(a) Loss less (b) Lossy (c) Cel based (d) Objected based |
| 6 | In Brasenham’s circle generation algorithm, if (x,y) is the current Pixel position then y value of the next pixel position is
(a) Y or Y+1 (b) Y along (c) Y+1 or Y-1 (d) Y or Y-1 |
| 7 | Bresenham’s Algorithm seeks to select the optimum raster locations that represent a
(a) Straight line (b) Curve line (c) Polygon (d) None of these |
| 8 | The DDA algorithm is a faster method for calculating pixel position than direct use of line equation using y=mx+c because
(a) It eliminates floating point addition (b) It eliminates floating point multiplication (c) It eliminates rounding operation (d) None of these |
| 9 | ______acts as anode in CRT
(a) The Phosphorous coating (b) The glass panel (c) The deflectors (d) None of these |
| 10 | Slope of the line Jointing the points (1,2) and (3,4) is
(a) 0 (b) 1 (c) 2 (d) 3 |
| 11 | Which device is used to grasp a virtual object ?
(a) Space ball (b) Data glove (c) Digitizer (d) Touch Panels |
| 12 | The maximum number of dots that can be displayed without overlap on CRT is referred to as
(a) Refresh rate (b) Interlacing (c) Screen resolution (d) None of these |
| 13 | In circle drawing algorithm we use –
(a) 4- symmetry (b) 2- symmetry (c) 8- symmetry (d) No – symmetry |
| 14 | Clipping algorithms are
(a) Two or three dimensional (b) Two dimensional (c) Three dimensional (d) None of these |
| 15 | When projection lines are perpendicular to the view plane then such type of projection is called
(a) Parallel (b) Perspective (c) Orthographic (d) Oblique |
| 16 | The viewing transformation is formed by –
(a) Translations (b) Translations and scaling (c) Translation, scaling and reflection (d) Translation, scaling and rotation |
| 17 | Minimum memory required for frame buffer when resolution is 800 x 600 and bit/pixel is 8 ?
(a) 512 Kb (b) 1 Mb (c) 2 Mb (d) 256 Kb |
| 18 | Which is NOT image file format ?
(a) Bmp (b) Jpg (c) Tiff (d) Both (a) & (b) |
| 19 | How many matrices are required to rotate an object about points (x,y) ?
(a) 2 (b) 3 (c) 4 (d) 5 |
| 20 | If direction of rotation is Z-axis, then direction of position of positive rotation is
(a) y to x (b) z to x (c) x to y (d) y to z |
| Data Collected By – K. Jeyanthi | |
| Published On – 20th April 2022 | |
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