CS602 important Mcqs quiz past paper past quiz Quiz Solution

 

CS602 Computer Graphics 

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  ( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of ____________________________.

a.   Parabola

b.  Hyperbola

c.   Ellipse (Page 70)

d.  Circle

We can draw the circle using ____________________.

a.   Pentane

b.  Hexanes

c.   Trident

d.  Octants (Page 63) rep

A scaling transformation alters the _______________ of an object.

a.   Shape

b.  Position

c.   Size (Page 120)

d.  Rotation

Question No: 6 of  10            ( Marks: 1 ) - Please choose one

Boundary Filling Algorithm can work for complex polygons.

a)      True

b)     False

Question No: 7 of  10            ( Marks: 1 ) - Please choose one

A __________________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.

a)      Circle

b)      Hyperbola

c)      Parabola (Page 73)

d)     Ellipse

Question No: 8 of  10            ( Marks: 1 ) - Please choose one

Monochrome Adapter (MA) is a single color adapter

a.  True (Page 38)

b.  False

Question No: 9 of  10            ( Marks: 1 ) - Please choose one

If the value of scaling factors sx and sy is greater than 1, then size of objects will be _____________________.

a.   Reduced

b.  Enlarged (Page 121)

c.   Remain same

d.  Shear

Question No: 10 of  10          ( Marks: 1 ) - Please choose one

In ___________________ algorithm(s), old color must be read before it is invoked.

a.   Scan line filling

b.  Flood filling (Page 104)

c.   Both scan line and flood filling

d.  Scan filling

Parity is a concept used to determine which _________________ lie within a polygon.

Edge

Vertices

Pixels (Page 80)

Points

Various curve functions are useful in ________________________.

Object modeling (Page 69)

Graphics applications

Animation path specifications

All of the given

polygons are basically concave polygons that may have self-intersecting edges.

1. Complex (Page 79)

2. Hybrid

3. Convex

4. Convex and Hybrid

Concave polygons are a superset of _____________________ polygons, having fewer restrictions than
____________________ polygons.

Hybrid, Complex

Concave, Complex

Convex, Convex (Page 79)

Complex, Complex

There are ________________ basic types of polygon.

2

3   (Page 78)

4

5

Computer graphics is very helpful in producing graphical representations for scientific visualization.

True (Page 9)

False

In video text memory, ______ are used to display a character.

2 bytes (Page 43)

4 bytes

8 bytes

16 bytes

The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)

Yes

No (Page 341)

Three or more points that lie on the same line are called ______________.

  Singular

  Collinear (Page 53)

  Line slop

  Line slop and Singular

Cross product of two vectors result in a ____________________.

  Magnitude

  Vector (Page 116)

  Scalar

  Value

To move a __________________ from one location to another, we translate the center point and redraw the same using new center point.

  Hyperbola

  Parabola

 Circle (Page 119)

  Line

       
_________________ is the set of points that are equidistant from its origin.

  Line

  Parabola

 Circle (Page 59)

  Ellipse

It is safe to assume that all raster-type monitors can accept the same input

  True

  False

Twice the radius of circle is called as ____________________.

  Area

  Diameter (Page 59)

  2*Pi Radian

  Circumference

Both Boundary Filling and Flood filling algorithms are non-recursive techniques. 

1. True

2. False (Page 102)

We can take transpose of any matrix. 

a)     True

b)    False

Normalized cross product of two vectors on that surface provides normal vector

a)      YES (Page 347)

b)      NO

Set up your tripod and pointing the camera at the scene

a)      projection transformation

b)      viewport transformation

c)      modeling transformation

d)     viewing transformation (Page 372)

_________ is based on characteristic size or scale

a)      Fractal Geometry

b)      Traditional Geometry

c)      Euclidean Geometry

d)     None of Above

Bernstein polynomial functions are the basic functions of ______________ curves.

a)      NURBS

b)      Bezier

c)      Both NURBS and Bazier (Page 342) not confirm

d)     None of the given

Silhouette edges occur when dot product of surface normal vector and the view vector is __________.

a)      Zero (Page 345)

b)      One

c)      Both zero and one

d)     None of the given

A fractal is generally a property called ___________.

a)      Fractal Dimension

b)      Self-similarity

c)      Koch Curve

d)     None of above

The curve is always contained within the _______ of the control points

a)      Tangents

b)     Convex Hull (Page 340)

c)      Subdivision

d)     None of Above

_________ OpenGL function is used for aiming and positioning the camera towards the object

a)      glLoadIdentity()

b)     gluLookAt() (Page 374)

c)      glFrustum()

d)     None of Above

Bezier curve can represent the more complex piecewise ___________ curve.

a)      Polynomial (Page 338)

b)      Exponential

c)      Cubic

d)     None of above

Perspective projection is specified with the function glFrustum().

a)      Yes (Page 376)

b)      No

Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.

a)      Convex (Page 79)

b)      Concave

c)      Complex

d)     None of the given

The _______________ tests are performed for the midpoints between pixels near the circle path at each sampling step.

a)      Parabola function

b)      Eclipse function

c)      Circle function (Page 62)

d)     Line function

actual filling process in boundary filling algorithm begins when a point _____________ of the figure is selected.

a)      Outside the boundary 

c)       Inside the boundary (Page 102) rep

At boundary

d)     None of the given

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