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Recent questions and answers in Computer Graphics
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UGCNETJune2016III17
Let us consider that the original point is (x,y) and new transformed point is (x’,y’). Further Sh$_x$ and Sh$_y$ are shearing factors in x and y directions. If we perform the y direction shear relative to x=s$_{ref}$ then the transformed point is given by $x’=x+Sh_x.(yy_{ref}); y’=y$ $x’=x; y’=y.Sh_x$ $x’=x; y’=Sh_y(xx_{ref})+y$ $x’=Sh_y.y; y’=y.(xx_{ref})$
answered
Sep 6
in
Computer Graphics
by
Mayank Malik
(
17
points)

665
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ugcnetjune2016iii
computergraphics
+1
vote
1
answer
2
UGCNETJan2017III16
Below are the few steps given for scanconverting a circle using Bresenham’s Algorithm. Which of the given steps is not correct ? (1) Compute $d = 3 – 2r$ (where r is radius) (2) Stop if $x > y$ (3) If $d < 0$, then $d = 4x + 6$ and $x = x + 1$ (4) If $d ≥ 0$, then $d = 4 ∗ (x – y) + 10, x = x + 1$ and $y = y + 1$
answered
Sep 6
in
Computer Graphics
by
Mayank Malik
(
17
points)

109
views
+1
vote
2
answers
3
UGCNETJan2017III18
Consider a line AB with A = (0, 0) and B = (8, 4). Apply a simple DDA algorithm and compute the first four plots on this line. (1) [(0, 0), (1, 1), (2, 1), (3, 2)] (2) [(0, 0), (1, 1.5), (2, 2), (3, 3)] (3) [(0, 0), (1, 1), (2, 2.5), (3, 3)] (4) [(0, 0), (1, 2), (2, 2), (3, 2)]
answered
Aug 11
in
Computer Graphics
by
hkPriya sharma
(
11
points)

171
views
0
votes
1
answer
4
UGC NET July 2018 Q 9
answered
Jul 11
in
Computer Graphics
by
Gaurav Parashar
(
167
points)

57
views
+1
vote
1
answer
5
UGCNETJan2017III15
Match the following : a. Glass i. Contains liquid crystal and serves as a bonding surface for a conductive coating. b. Conductive coating ii. Acts as a conductor so that a voltage can be applied across the liquid crystal. c. Liquid crystal iii. A substance which will polarize light when a voltage is ... : a b c d (1) i ii iii iv (2) i iii ii iv (3) iv iii ii i (4) iv ii i iii
answered
Jun 28
in
Computer Graphics
by
Rajandeep Gill
(
39
points)

122
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0
votes
3
answers
6
UGCNETJune2014III05
Which of the following color models are defined with three primary colors ? RGB and HSV color models CMY and HSV color models HSV and HLS color models RGB and CMY color models
answered
May 12
in
Computer Graphics
by
Prasanjeet Ghosh
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1.6k
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720
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ugcnetjune2014iii
nongate
graphics
0
votes
2
answers
7
UGCNETJune2014III03
Given below are certain output primitives and their associated attributes. Match each primitive with its corresponding attributes: ListI ListII a. Line i. Type, Size, Color b. Fill Area ii. Color, Size, Font c. Text iii. Style, Color, Pattern d. Marker iv. Type, Width, Color ai; bii; ciii; div aii; bi; ciii; div aiv; biii; cii; di aiii; bi; civ; dii
answered
May 12
in
Computer Graphics
by
Prasanjeet Ghosh
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1.6k
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447
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ugcnetjune2014iii
nongate
graphics
+1
vote
2
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8
UGCNETJune2014III02
Line caps are used for adjusting the shape of the line ends to give them a better appearance. Various kinds of line caps used are Butt cap and sharp cap Butt cap and round cap Butt cap, sharp cap and round cap Butt cap, round cap and projecting square cap
answered
May 12
in
Computer Graphics
by
Prasanjeet Ghosh
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1.6k
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633
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ugcnetjune2014iii
nongate
graphics
+4
votes
3
answers
9
ISRO201434
How much memory is required to implement zbuffer algorithm for a 512 x 512 x 24 bitplane image? 768 KB 1 MB 1.5 MB 2 MB
answered
Apr 6
in
Computer Graphics
by
Amit.kumar
(
147
points)

2.6k
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nongate
graphics
isro2014
+5
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7
answers
10
ISRO20117
Which of the following is true about zbuffer algorithm? It is a depth sort algorithm No limitation on total number of objects Comparisons of objects is done zbuffer is initialized to background colour at start of algorithm
answered
Mar 31
in
Computer Graphics
by
Utsav09
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1.2k
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2.3k
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isro2011
nongate
graphics
0
votes
0
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11
Graphics
I have a confusion that how the Gpu internal memory different from primary memory in the sense when which of the memory is active. For example suppose i am doing GPU programming or playing a video game then primary memory plays a role or only GPU memory. Suppose I increased my RAM without touching GPU will there be any improvement in my Gpu programming or my video games.
asked
Mar 15
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Computer Graphics
by
Na462
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5.6k
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70
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computergraphics
+1
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1
answer
12
UGCNETJan2017III14
A segment is any object described by GKS commands and data that start with CREATE SEGMENT and Terminates with CLOSE SEGMENT command. What functions can be performed on these segments ? (1) Translation and Rotation (2) Panning and Zooming (3) Scaling and Shearing (4) Translation, Rotation, Panning and Zooming
answered
Oct 28, 2017
in
Computer Graphics
by
Azeem
(
71
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162
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+1
vote
0
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13
UGCNETJan2017III17
Which of the following is/are side effects of scan conversion ? a. Aliasing b. Unequal intensity of diagonal lines c. Overstriking in photographic applications d. Local or Global aliasing (1) a and b (2) a, b and c (3) a, c and d (4) a, b, c and d
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Oct 9, 2017
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Computer Graphics
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amaity
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102
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+1
vote
1
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14
UGCNETDec2014III17
In CyrusBeck algorithm for line clipping the value of $t$ parameter is computed by the relation: (Here $P_{1}$ and $P_{2}$ are the two end points of the line, $f$ is a point on the boundary, $n_{1}$ is inner normal). $\frac{(P_{1}f_{i}).n_{i}}{(P_{2}P_{1}).n_{i}}$ $\frac{(f_{i}P_{ ... {2}f_{i}).n_{i}}{(P_{1}P_{2}).n_{i}}$ $\frac{(f_{i}P_{2}).n_{i}}{(P_{1}P_{2}).n_{i}}$
answered
May 30, 2017
in
Computer Graphics
by
Allwin
(
75
points)

510
views
ugcnetdec2014iii
nongate
graphics
lineclipping
–1
vote
0
answers
15
matrix parallel projection totally confused # Computer Graphics
asked
Apr 19, 2017
in
Computer Graphics
by
LavTheRawkstar
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5.1k
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167
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parallel
projection
+1
vote
3
answers
16
ISRO201448
A frame buffer array is addressed in row major order for a monitor with pixel locations starting from (0,0) and ending with (100,100). What is address of the pixel(6,10)? Assume one bit storage per pixel and starting pixel location is at 0. 1016 1006 610 616
answered
Apr 5, 2017
in
Computer Graphics
by
Regina Phalange
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8.4k
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2.5k
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isro2014
nongate
graphics
+1
vote
1
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17
UGCNETJune2016III18
Which of the following statements is/are correct with reference to curve generation? Hermite curves are generated using the concepts of interpolation Bezier curves are generated using the concepts of approximation The Bezier curve lies entirely within the convex hull of its control ... of control points I, II and IV only II and III only I and II only I, II and III only
answered
Feb 5, 2017
in
Computer Graphics
by
sanjeela.sagar
(
157
points)

591
views
ugcnetjune2016iii
computergraphics
0
votes
2
answers
18
Aspect ratio and resolution
Given that a 22inch monitor with an aspect ratio of 16:9 has a monitor resolution of 1920X1080,what is the width of the monitor ? a)19.17 inches b)22 inches c)8.53 inches d)10.79 inches
answered
Jan 10, 2017
in
Computer Graphics
by
bhoop1104
(
21
points)

1.1k
views
0
votes
1
answer
19
The process of producing bitmapped images from a 3D model
answered
Jan 2, 2017
in
Computer Graphics
by
Devshree Dubey
Boss
(
13.5k
points)

132
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+1
vote
0
answers
20
hilbert curve
asked
Jan 2, 2017
in
Computer Graphics
by
Meenakshi Sharma
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(
3k
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53
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+3
votes
1
answer
21
UGCNETDec2013III66
What steps shall be required to rotate an object from point $P_1$ (as shown in fig. 1) and its placement such that what was at $P_1$ is now reduced and is at $P_2$ (as shown in fig. 2)? Translate $P_1$ to origin Scale as required Rotate Translate to the final position $P_2$ I, II and III II, III and IV I, III and IV All of the above
answered
Dec 23, 2016
in
Computer Graphics
by
Deepthi_ts
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3.4k
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546
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ugcnetdec2013iii
graphics
nongate
+2
votes
1
answer
22
UGCNETDec2013III65
The transformation required for conversion of CMY colour model to RGB colour model is given as: $\begin{bmatrix} R \\ G \\ B \end{bmatrix} = \begin{bmatrix} C \\ M \\ Y \end{bmatrix}  \begin{bmatrix} 1 \\ 2 \\ 3 \end{bmatrix}$ $\begin{bmatrix} R \\ G \\ B \end{ ... B \end{bmatrix} = \begin{bmatrix} C \\ M \\ Y \end{bmatrix}  \begin{bmatrix} 0.5 \\ 0.5 \\ 0.5 \end{bmatrix}$
answered
Dec 23, 2016
in
Computer Graphics
by
Deepthi_ts
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3.4k
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395
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ugcnetdec2013iii
graphics
nongate
–3
votes
0
answers
23
The reflection along the line y=x is equivalent to reflection along the Xaxis followed by counter clockwise rotation
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
667
points)

913
views
nongate
graphics
–7
votes
0
answers
24
Show that the composition of two rotations is additive by concatenating the matrix
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
667
points)

1.2k
views
nongate
graphics
–6
votes
0
answers
25
Scan convert an Eclipse with given Eclipse parameters : Rx = 6 and Ry = 4
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
667
points)

98
views
nongate
graphics
–3
votes
0
answers
26
Scan convert a circle with radius 9.5 and centerd at origin using Mid Point Circle Algorithm
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
667
points)

115
views
nongate
graphics
–2
votes
0
answers
27
A polygon has 4 vertices located a A(25, 10),B(50, 10),C(60, 30),D(20 ,30)....
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
667
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130
views
nongate
graphics
0
votes
1
answer
28
How long it would take to load a 512 x 480 frame buffer with 12 bits per pixel....
answered
Nov 29, 2016
in
Computer Graphics
by
Satyam Chaudhary
(
375
points)

257
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graphics
nongate
+1
vote
1
answer
29
back face removal
back face removal is an example of a)object space method b)image space method c)combination of both d)NOTA
answered
Sep 16, 2016
in
Computer Graphics
by
Sanjay Sharma
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49.3k
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566
views
+1
vote
1
answer
30
what is picket fence problem
what is picket fence problem in computer graphics
answered
Aug 22, 2016
in
Computer Graphics
by
Sanjay Sharma
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49.3k
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1.8k
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+5
votes
1
answer
31
UGCNETJune2016III13
Consider the Breshenman's circle generation algorithm for plotting a circle with centre (0,0) and radius 'r' unit in first quadrant. If the current point is $(x_i, y_i)$ and decision parameter is $p_i$ then what will be the next point $(x_{i+1}, y_{i+1})$ and updates decision parameter ... 1}=y_i1; p_{i+1}=p_i+4(x_iy_i)+6$ $x_{i+1}=x_i1; y_{i+1}=y_i; p_{i+1}=p_i+4x_i+10$
answered
Aug 19, 2016
in
Computer Graphics
by
Sanjay Sharma
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ugcnetjune2016ii
computergraphics
bresenhamalgo
+2
votes
1
answer
32
UGCNETJune2016III15
Let R be the rectangular window against which the lines are to be clipped using 2D SutherlandCohen line clipping algorithm. The rectangular window has lower rectangular corner at (5, 1) and upper righthand corner at (3, 7). Consider the following three lines for clipping ... E(2,3) and F(1,2) Which of the following lines is/are candidate for clipping? AB DC EF AB and CD
answered
Aug 18, 2016
in
Computer Graphics
by
Sanjay Sharma
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49.3k
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1.6k
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ugcnetjune2016iii
computergraphics
+3
votes
2
answers
33
UGCNETJune2016III16
In perspective projection, if a line segment joining a point which lies in front of the viewer to a point in back of the viewer is projected to a broken line of infinte extent. This is known as ____ View confusion Vanishing point Topological distortion Perspective foreshortening
answered
Aug 13, 2016
in
Computer Graphics
by
Sanjay Sharma
Boss
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992
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ugcnetjune2016iii
computergraphics
+2
votes
1
answer
34
UGCNETJune2012III63
If a and b are the end points of a line, then which of the following is true? If both end points are left, right, above or below the window, the line is invisible. If both end points are left, right, above or below the window, the line ... the window, the line is trivially visible If both end points are left, right, above or below the window, the line is trivially invisible
answered
Aug 13, 2016
in
Computer Graphics
by
Sanjay Sharma
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graphics
nongate
ugcnetjune2012iii
+3
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2
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35
UGCNETJune2016III14
A point P(5,1) is rotated by 90$^o$ about a pivot point (2,2). What is the coordinate of new transformed point P'? (3,5) (5,3) (2,4) (1,5)
answered
Aug 13, 2016
in
Computer Graphics
by
Aboveallplayer
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18.6k
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2.5k
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ugcnetjune2016iii
computergraphics
+3
votes
1
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36
UGCNETDec2015III69
Which raster locations would be chosen by Bresenham's algorithm when scan converting a line from (1,1) to (8,5)? x y 1 2 3 4 5 6 7 8 1 2 3 3 4 4 5 6 x y 1 2 3 4 5 6 7 8 1 2 2 3 4 5 6 7 x y 1 2 3 4 5 6 7 8 1 2 2 3 3 4 4 5 x y 1 2 3 4 5 6 7 8 1 2 2 3 5 4 5 5
answered
Aug 11, 2016
in
Computer Graphics
by
Sanjay Sharma
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49.3k
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1.5k
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ugcnetdec2015iii
computergraphics
+2
votes
1
answer
37
UGCNETDec2015III67
Which of the following is/are the principle components of a memorytube display? Flooding gun Collector Phosphorus grains Ground a and b c only d only All of the above
answered
Aug 11, 2016
in
Computer Graphics
by
Sanjay Sharma
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ugcnetdec2015iii
computergraphics
+3
votes
1
answer
38
UGCNETDec2015III70
Consider a unit square centered at origin. The coordinates at the square are translated by a factor $\biggr( \frac{1}{2}, 1 \biggl)$ and rotated by an angle of 90$^o$. What shall be the coordinates of the new square? $\biggr(\frac{1}{2},0 \biggl), \biggr( \frac{1}{2},1 ... \biggl), \biggr( \frac{1}{2},1 \biggl),\biggr( \frac{3}{2},1 \biggl), \biggr( \frac{3}{2},0 \biggl)$
answered
Aug 11, 2016
in
Computer Graphics
by
Sanjay Sharma
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49.3k
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ugcnetdec2015iii
computergraphics
+3
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1
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39
UGCNETDec2015III50
Which of the following is not a lossy compression technique? JPEG MPEG FFT Arithmetic coding
answered
Aug 11, 2016
in
Computer Graphics
by
Sanjay Sharma
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49.3k
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ugcnetdec2015iii
graphics
+1
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1
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40
UGCNETDec2015III71
Which of the following is/are the components of a CRT ? Electron Gun Control Electrode Focusing Electrode Phosphor Coated Screen a and d a, b and d a, b, c and d a, c and d
answered
Aug 2, 2016
in
Computer Graphics
by
Sanjay Sharma
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495
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ugcnetdec2015iii
computergraphics
crt
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