CS602 All Important Mcqs For papers grand Quiz Solution

CS602 Computer Graphics 

#importantMcqs #quiz #pastpaper #pastquiz #QuizSolution

1. To convert the information in the A matrix into that required for the P matrix, we do some simple matrix algebra. First, we have GP=

NP

UP

NU

UNP ( Correct  )

2. With similar expressions for y(u) and z(u). Again the a, b, c and d terms are constant coefficients. As we did with Equation for a plane curve, we combine the x(u), y(u), and z(u) expressions into a single vector equation :

Au2+bu1+cu+d

Au4+bu3+cu2+d1

Au3+bu2+cu2+d

Au3+bu2+cu+d ( Correct  )

3. NURBS stands for __

Non-Universal Rational Binary Spline

Non-Uniform Rational Binary Splines

Non-Uniform Rational Beta Splines ( Correct  )

Non-Universal Rational Beta Splines 

4. An independent consortium, the OpenGL Architecture Review Board, guides the OpenGL specification. With broad industry support, OpenGL is the only truly open, vendor-neutral, ___ graphics standard. 

Tertiary

Binary

Single platform

Multiplatform ( Correct  )

5. A space curve is not confined to a plane. It is free to twist through space. To define a space curve we must use parametric functions that are ____ 

Binary Polynomials

Mono Polynomials

Quadratic Polynomials

Cubic Polynomials ( Correct  )

6. ___ sets the reshape callback for the current window. The reshape callback is triggered when a window is reshaped

glutMainLoop

glutIdleFunc

glutReshapeFunc ( Correct  )

glutDisplayFunc

7. The reflected light wave turns out to be a ___ case since light is reflected at the same angle as the incident wave (when the surface is smooth and uniform, as we'll assume for now). 

Unknown

Simple ( Correct  )

Complex

Abnormal

8. Signed integer colour components, when specified, are linearly mapped to floating-point values such that the most positive representable value maps to 1.0, and the most negative representable value maps to ___.

-1.0

0.0

2.0

1.0( Correct  )

Floating-point values are mapped directly.

9. To ensure a smooth transition from one section of a piecewise ___ to the next, we can impose various continuity conditions at the connection points.

non-parametric curve

parametric curve

polygon vector ( Correct  )

None

10. If the current matrix (according to glMatrixMode) is multiplied by this translation matrix, with the product replacing the current matrix. That is if M is the current matrix and T is the translation matrix, then M is replaced with ___.

M-T

M+T

M/T

M*T ( Correct  )

11. glutReshapeWindow requests a change in the size of the current window. The width and height parameters are size extents in pixels. The width and height must be ___
Neutral
Negative
Positive
None

DDA abbreviated for ________.

a)      None of the given

b)      Discrete data analyzer

c)      Digital data analyzer

d)     Digital differential analyzer (Page 54)

Save a line with both endpoints inside all clipping boundaries is called as _____________.

a)      None of the given

b)      Total …. (inside (maybe))

c)      Trivial Reject

d)     Trivial Accept (Page 142)

__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.

a)      Perspective

b)      Orthographic

c)      Oblique (Page 198)

The dot product of two vectors A and B is __________. Iff the angle between them is less than 90 or greater than 270 degrees.

a)      Greater than zero (0) (Page 177)

b)      Less than zero (0)

c)      Equal to Zero (0)

d)     None of the given

This projection technique has the direction of projection perpendicular to the viewing plane, and the viewing direction is perpendicular to one of the principle faces.

a)      metric Parallel Projection

b)      Oblique Parallel Projection

c)      Orthographic Parallel Projection

d)     None of the given

Orthographic projections that show more than one side of an object are called __________ projections.

Cavalier

Cabinet

Axonometric (Page 196)

Perspective

Computer Graphics are used in ____________.

a)      Movies development

b)      Simulations

c)      All of the given

d)     Game development

“Computer Graphics” and “Computer Vision” are ____________.

a)      Same fields

b)      Interrelated fields

c)      None of the given

d)     Totally different fields

We can take transpose of __________.

a)      matrix with 1 row 1 column

b)      matrix with 2 rows 3 columns

c)      matrix with 3 rows 2 columns

d)     any matrix

If the polygons are _______, line-clipping techniques are sufficient for clipping.

a)      filled

b)     unfilled (Page 146)

c)      half filled

d)     All of the given

20: Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.

a)      Sometimes impossible

b)      None of the given

c)      Possible (Page 150)

d)     Impossible

Tessellation can be adaptive to the ____________ degree of curvature of a surface.

a)      Local (Page 170)

b)      Static

c)      Global

d)     Variable

The actual filling process in boundary filling algorithm begins when a point  _________ of the figured is selected.

a)      Outside the boundary

b)     Inside the boundary (Page 102)

c)      At boundary

d)     None of the above

Discard a line with both endpoints outside clipping boundary is called as ____________

a)      Trivial accept

b)     Trivial reject (Page 142)

c)      Total outside

d)     None of the above

_____________is the tendency of the text to flash as it moves up or down.

a)      Flickering (Page 38)

b)      Snow

c)      Distortion

d)     None of the above

The axonometric projection is ___________ where the direction of projection makes same angle with all axes.

a)      DIMETRIC

b)     Isometric (Page 196)

c)      Oblique

d)     Trimetric

We can draw the circle using _________

a)      Pentane

b)      Hexane

c)      Trident

d)     Octant (Page 63)

Question No: 17         ( Marks: 1 ) - Please choose one

_________ direct view storage tube maintains the picture display.

a)      Electron gun

b)      Proton gun

c)      Flood gun (Page 29)

d)     All of the above

Question No: 18         ( Marks: 1 ) - Please choose one

Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.

a)      Possible (Page 150) rep

b)      Impossible

c)      Sometimes impossible

d)     None of the above

Question No: 19         ( Marks: 1 ) - Please choose one

If the polygons are _________ line clipping techniques are sufficient for clipping.

a)      Filled

b)     Unfilled (Page 146) rep

c)      Half filled

d)     All of the above

Question No: 20         ( Marks: 1 ) - Please choose one

Polygons consisting of _________________ can cause problems when rendering.

a)      Non-coplanar vertices (Page 169)

b)      Co-planar vertices

c)      Any vertices

d)     None of the above

Question No: 1           ( Marks: 1 ) - Please choose one

In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition ______________.

a)      Outside half plane of left edge, to the left of left edge X < Xmin

b)     Outside half plane of right edge, to the right of right edge X > Xmax (Page 143)

c)      Outside half plane of bottom edge, below bottom edge Y < Ymin

d)     Outside half plane of top edge, above top edge Y > Ymax

Plasma-panel displays use a gas mixture that usually includes _____________.

a)      Zinc

b)      Iron

A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.

a.  True (Page 53)

b.  False

Both Boundary Filling and Flood filling algorithms are _____________ as compared to scan line filling algorithm.

a.   Better

b.  Worse

c.   Almost same 

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