SYMCA (Part (Under Faculty of Engg.) Examination, 2017
COMPUTER GRAPHICS
Day and Date Tuesday, 16-5-2017 Total Marks 100
Time 3.00 p.m. to 6.00 p.m.
1. Multiple Choice Questions. 20
Identify different type of computer graphics.
Monochrome and Color CRT and Flat panel
Vector and Raster Monitors and Hardcopy devices
is responsible for accessing the frame buffer to refresh
the screen.
Graphics package Video controller
CPU Monitor
In general aliasing is related to
Scan conversion of line only
Generation of characters only
Conversion of any analog to digital signal
Raster based graphics only
function is used to set how text is to be positioned with
respect to the start coordinates.
SetText Alignment setTextPrecision(tp)
setTextPosition(h, setText(ts)
Which technique of color CRT is used for production of realistic image
Beam penetration Shadow mask
Both a and b None
Seat
No.
P.T.O.
SLR-L 15
Scaling a point
Doesn't produce any change
Scales the points position vector
Makes the point move w.r.t. origin
Both b and c are true
A composite transformation matrix can be made by determining the
of matrix of the individual transformation.
Sum Product
Difference None of the above
The process of mapping a world window in world coordinate system to viewport
are called
Transformation viewing Viewport
Clipping window Screen coordinate system
A method used to test lines for total clipping is equivalent to the
Logical XOR Logical OR
Logical AND Both a and b
10) The process of extracting a portion of a database or a picture inside or
outside a specified region are called
Transformation Projection
Clipping Mapping
11) mass storage category is for use during processing.
Short-term storage Archival storage
On-line storage None of these
12) In image acquisition, the image is captured by a
Camera Scanner
Sensor None of these
13) To convert the input data to a form suitable for computer processing is the
function of
Image acquisition Image description
Image recognition Image representation
14) Digitization of the spatial coordinates is called
Image sampling Amplitude
Pixel None of these
15) What does SEM stands for
Scanning Electronic Machine Self Electronic Machine
Scanning Electron Microscope Scanning Electric Machine
16) is the predominant spectral color in the light.
Saturation Brightness
Hue None of these
17) In image we notice that the components of histogram are
concentrated on the low side on intensity scale.
Bright Dark
Colourful All of the Mentioned
18) A is an image operation where each pixel value I is
changed by a function of the intensities of pixels in a neighborhood of v).
Quantization Amplitude digitization
Spatial filter Sampling
19) can be used to brighten the intensities of an image.
Contrast Transformations Logarithmic Transformations
Gamma Transformations Stretching Transformations
20) Pick out the odd one out.
LED LCD
Gas Discharge Tube Plasma Panel
SECTION I
2. Write short note on (any 20
Video controller
Seed and edge fill
2D rotation
Point and line clipping
Raster scan display.
SLR-L 15
3. Explain composite transformation in detail. 10
Explain Bresnham's line generation algorithm with its implementation. 10
OR
Explain Cohan Sutherland line clipping algorithm. 10
SECTION II
4. Write short note on (any 20
3D rotation
Intensity resolution
Image negatives
Bit plane searching
Types of projection.
5. Explain smoothing spatial filters in detail. 10
Explain 3D projection in detail. 10
OR
How to represent digital image with respect to resolution 10