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Computer Science - UGC NET 2021 [ Question ID = 2339 ]
Suppose a Bezier curve P(t) is defined by the following four control points in the xy - plane : P0 = (-2,0); P1 = (-2,4); P2 = (2,4); and P3 = (2,0). Then which of the following statements are correct ? Bezier curve P(t) has ... . Choose the correct answer from the options given below : 1 and 2 only. 1 and 3 only. 2 and 3 only. 1, 2, and 3.

rajeshposts asked in Computer Graphics Aug 27, 2023

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Computer Science - UGC NET 2021 [ Question ID = 2340 ]
Given below are two statements : Statement I: The maximum number of sides that a triangle might have when clipped to a rectangular viewport is 6. Statement II: In 3D graphics, the perspective transformation is nonlinear in z. In light ... are false. Statement I is true but Statement II is false. Statement I is false but Statement II is true.

rajeshposts asked in Computer Graphics Aug 27, 2023

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1 vote

3 answers

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Computer Science - UGC NET 2021 [ Question ID = 2338 ]
What is the transformation matrix M that transforms a square in the xy plane defined by (1, 1), (-1, 1), (-1, -1), (1, -1) to a parallelogram whose corresponding vertices are (2, 1), (0,1), (-2, -1), and (0, -1) ? 1 1 0 0 1 0 0 0 1 1 0 0 1 1 0 0 0 1 1 1 1 0 1 0 0 0 1 1 1 0 1 1 0 0 0 1

rajeshposts asked in Computer Graphics Jul 30, 2023

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DRDO CSE 2022 Paper 2 | Question: 30
Given an input image of size $230 \times 230$ with convolution filter of size $5 \times 5$ and stride $3$. What would be the size of the output?

admin asked in Computer Graphics Dec 15, 2022

by admin

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1 answer

5

UGC NET CSE | October 2020 | Part 2 | Question: 46
In the context of $3D$ Computer graphics, which of the following statements is/are correct? Under perspective projection, each set of parallel lines in the object do not stay parallel in the image (except those that are parallel to the viewplane to start with). Applying a ... $(iii)$ only $(ii)$ and $(iii)$ only $(i)$, $(ii)$ and $(iii)$

go_editor asked in Computer Graphics Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 47
Concerning phong shading and Gouraud shading in a $3\text{D}$ scene, which of the following statements are true? Gouraud shading requires more computation than phong shading Gouraud shading linearly interpolates the color of an interior pixel from the color at the vertices Phong ... $(iii)$ only $(ii)$ and $(iii)$ only $(i), (ii)$ and $(iii)$

go_editor asked in Computer Graphics Nov 20, 2020

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1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 66
Match $\text{List I}$ with $\text{List II}$. $\text{List I}$ gives $3 \times 3$ matrices representing $2D$ transformations and $\text{List II}$ shows the corresponding transformation diagrams. Choose the correct answer from the options given below: $A-IV, B-II, C-III, D-I$ $A-IV, B-III, C-II, D-I$ $A-III, B-II, C-IV, D-I$ $A-II, B-IV, C-III, D-I$

go_editor asked in Computer Graphics Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 76
Given below are different properties of $3\text{D}$ projections from $\text{A-D}$. Identify the correct order on the basis of property true of $\text{(i)}$ a perspective projection only, $\text{(ii)}$ an orthographic projection only, $\text{(iii)}$ both ... $\text{ii,iii,iv,i}$ $\text{iv,iii,i,ii}$ $\text{iii,iv,ii,i}$

go_editor asked in Computer Graphics Nov 20, 2020

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1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 82
Given below are two statements: Statement $I$: Bezier curves are curves that interpolate all of their control points Statement $II$: A cubic bezier curve has four control points In the light of the above statements, choose the correct answer ... $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

go_editor asked in Computer Graphics Nov 20, 2020

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2 answers

10

NIELIT 2016 MAR Scientist C - Section C: 6
Memory mapped displays are utilized for high resolution graphics such as maps uses ordinary memory to store the display data in character form stores the display data as individual bits are associated with electromechanical teleprinters

admin asked in Computer Graphics Apr 2, 2020

by admin

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2 answers

11

UGC NET CSE | January 2017 | Part 3 | Question: 16
Below are the few steps given for scan-converting a circle using Bresenham’s Algorithm. Which of the given steps is not correct? Compute $d= 3-2r$ (where $r$ is radius) Stop if $x>y$ If $d< 0$, then $d=4x+6$ and $x=x+1$ If $d\geq 0$, then $d=4 \ast(x-y)+10, \: x=x+1$ and $y=y+1$

go_editor asked in Computer Graphics Mar 24, 2020

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3 answers

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UGC NET CSE | January 2017 | Part 3 | Question: 17
Which of the following is/are side effects of scan conversion? Aliasing Unequal intensity of diagonal lines Overstriking in photographic applications Local or Global aliasing $\text{i and ii}$ $\text{i,ii and iii}$ $\text{i,iii and iv}$ $\text{i,ii,iii and iv}$

go_editor asked in Computer Graphics Mar 24, 2020

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3 answers

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UGC NET CSE | January 2017 | Part 3 | Question: 18
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. $[(0,0),(1,1),(2,1),(3,2)]$ $[(0,0),(1,1.5),(2,2),(3,3)]$ $[(0,0),(1,1),(2,2.5),(3,3)]$ $[(0,0),(1,2),(2,2),(3,2)]$

go_editor asked in Computer Graphics Mar 24, 2020

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1 answer

14

KPGCET-CSE-2019-19
In the parallel projection, the picture definition of the window to the view port, the parallel projection lines are Parallel to the viewport Perpendicular to the viewport Parallel to the window Perpendicular to the window

gatecse asked in Computer Graphics Aug 4, 2019

345 views

1 vote

2 answers

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UGC NET CSE | June 2019 | Part 2 | Question: 27
Consider a raster system with resolution $640$ by $480$. What size is frame buffer (in bytes) for this system to store $12$ bits per pixel? $450$ kilobytes $500$ kilobytes $350$ kilobytes $400$ kilobytes

Arjun asked in Computer Graphics Jul 2, 2019

by Arjun

9.9k views

1 vote

1 answer

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UGC NET CSE | June 2019 | Part 2 | Question: 28
Consider the following statements regarding $2D$ transforms in computer graphics: $S1: \: \begin{bmatrix} 1 & 0 \\ 0 & -1 \end{bmatrix} $ is a $2 \times 2$ matrix that reflects (mirrors) only $2D$ point about the X-axis. $S2:$ ... $S2$? Both $S1$ and $S2$ are true Only $S1$ is true Only $S2$ is true Both $S1$ and $S2$ are false

Arjun asked in Computer Graphics Jul 2, 2019

by Arjun

2.2k views

1 vote

1 answer

17

UGC NET CSE | June 2019 | Part 2 | Question: 30
Using the phong reflectance model, the strength of the specular highlight is determined by the angle between the view vector and the normal vector the light vector and the normal vector the light vector and the reflected vector the reflected vector and the view vector

Arjun asked in Computer Graphics Jul 2, 2019

by Arjun

1.7k views

5 votes

0 answers

18

2D Transformations
Find the transformation matrix that converts a square with diagonal vertices (0,3) and (-3,6) into a unit square at the origin??

Pramod2k18 asked in Computer Graphics Jan 6, 2019

1.3k views

1 vote

3 answers

19

UGC NET CSE | July 2018 | Part 2 | Question: 8
A graphic display system has a frame buffer that is 640 pixels high , 480 pixels high and 1 bit of color depth. If the access time for each pixel on the average is 200 nanoseconds, then the refresh rate of this frame buffer is approximately: 16 frames per second 19 frames per second 21 frames per second 23 frames per second

Pooja Khatri asked in Computer Graphics Jul 13, 2018

by Pooja Khatri

8.4k views

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3 answers

20

UGC NET CSE | July 2018 | Part 2 | Question: 9
Which of the following statements is/are True regarding the solution of the visibility problem in 3D graphics? S1: The painter's algorithm sorts polygons by depth and then paints (scan - converts) each Polygon on to the screen ... Culling refers to eliminating geometry with backfacing normals S1 only S2 only Both S1 and S2 Neither S1 nor S2

Pooja Khatri asked in Computer Graphics Jul 13, 2018

by Pooja Khatri

3.3k views

3 votes

3 answers

21

UGC NET CSE | July 2018 | Part 2 | Question: 10
Consider the matrix $M=\begin{bmatrix} 2 & 0 & 2 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{bmatrix}$ representing a set of planar (2D) geometric transformations in homogeneous coordinates. Which of the following statements ... of parameters (-1,1) M represents first, a shearing of parameters (-1, 1) followed by scaling of vector (3,1)

Pooja Khatri asked in Computer Graphics Jul 13, 2018

by Pooja Khatri

5.5k views

2 votes

1 answer

22

ISRO2018-39
Perform window to viewport transformation for the point (20,15). Assume that $(X_{wmin}\ ,Y_{wmin} )$ is $(0,0)$ ; $(X_{wmax}\ ,Y_{wmax} )$ is $(100,100)$ ; $(X_{vmin}\ ,Y_{vmin} )$ is $(5,5)$ ; $(X_{vmax}\ ,Y_{vmax} )$ is $(20,20)$ . The value of $x$ and $y$ in the viewport is $x=4,y=4$ $x=3,y=3$ $x=8,y=7.25$ $x=3,y=4$

Arjun asked in Computer Graphics Apr 22, 2018

by Arjun

5.4k views

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23

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.

Na462 asked in Computer Graphics Mar 15, 2018

by Na462

532 views

1 vote

1 answer

24

UGC NET CSE | November 2017 | Part 3 | Question: 18
The three aspects of Quantization, programmers generally concerned with are Coding error, Sampling rate and Amplification Sampling rate, Coding error and Conditioning Sampling rate, Aperture time and Coding error Aperture time, Coding error and Strobing

Arjun asked in Computer Graphics Nov 5, 2017

by Arjun

1.2k views

1 vote

2 answers

25

UGC NET CSE | November 2017 | Part 3 | Question: 15
With respect to CRT, the horizontal retrace is defined as The path an electron beam takes when returning to the left side of the CRT The path an electron beam takes when returning to the right side of the CRT The technique of turning, the electron beam off while retracing The technique of turning, the electron beam on/ off while retracing

Arjun asked in Computer Graphics Nov 5, 2017

by Arjun

2.2k views

1 vote

1 answer

26

UGC NET CSE | November 2017 | Part 3 | Question: 14
Which of the following is not true in case of Oblique Projections? Parallel projection rays are not perpendicular to the viewing plane Parallel lines in space appear parallel on the final projected image Used exclusively for pictorial purposes rather than formal working drawings Projectors are always perpendicular to the plane of projection

Arjun asked in Computer Graphics Nov 5, 2017

by Arjun

4.0k views

1 vote

1 answer

27

UGC NET CSE | November 2017 | Part 3 | Question: 13
Which of the following is not a component of Memory tube display? Flooding gun Collector Ground Liquid Crystal

Arjun asked in Computer Graphics Nov 5, 2017

by Arjun

1.7k views

–1 vote

0 answers

28

matrix parallel projection totally confused # Computer Graphics

LavTheRawkstar asked in Computer Graphics Apr 19, 2017

by LavTheRawkstar

874 views

0 votes

2 answers

29

Aspect ratio and resolution
Given that a 22-inch 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

Sanjay Sharma asked in Computer Graphics Jan 8, 2017

by Sanjay Sharma

3.7k views

1 vote

0 answers

30

Meenakshi Sharma asked in Computer Graphics Jan 1, 2017

by Meenakshi Sharma

280 views

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