Explore topic-wise MCQs in Current Affairs.

This section includes 2995 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

2451.

A plotter is capable of

A. Printing a map
B. Printing a similar images
C. Both a & b
D. None of these
Answer» D. None of these
2452.

An_______ can be considered as an extension of spherical surface

A. Bezier
B. Ellipsoid
C. Shearing
D. None of these
Answer» C. Shearing
2453.

The transformation in which an object is moved in a minimum distance path from one positionto another is called

A. Rotation
B. Replacement
C. Translation
D. Scaling
Answer» D. Scaling
2454.

Meta-ball is used to describe

A. Simplest object
B. Complex object
C. Composite object
D. None of these
Answer» D. None of these
2455.

A structure is created using the function ........................

A. initstructure( )
B. startstructure( )
C. openstructure( )
D. none
Answer» D. none
2456.

Curves can be broadly classified into three categories – which are

A. explicit, implicit, and parametric curves.
B. explicit, implicit, and nonparametric curves.
C. explicit, bezier, and parametric curves.
D. implicit, cubic and parametric curves
Answer» B. explicit, implicit, and nonparametric curves.
2457.

The inkjet printer is mostly common due to their

A. Low cost
B. Performance
C. Both a & b
D. None of these
Answer» D. None of these
2458.

The transformation in which the size of an object can be modified in x-direction ,ydirection and z-direction

A. Translation
B. Scaling
C. Rotation
D. All of these
Answer» C. Rotation
2459.

The transformation in which an object is moved from one position to anotherin circular path around a specified pivot point is called

A. Rotation
B. Translation
C. Scaling
D. None
Answer» B. Translation
2460.

Sutherland - Hodgman Polygon Clipping algorithm goes around the edges of the window, clipping the polygon, it encounters ____types of edges.

A. one
B. two
C. three
D. four
Answer» E.
2461.

In BRep (boundary representation) A solid is represented as a collection of _____surface elements, the boundary between solid and non-solid.

A. connected
B. disconnected
C. parallel
D. perpendicular
Answer» B. disconnected
2462.

The operation that is used for repositioning the object is called

A. Rubber band method
B. Gravity method
C. Dragging
D. None
Answer» D. None
2463.

The cabinet in laser printer in which the ink is filled is called

A. Cartage
B. Toner
C. Both a & b
D. None of these
Answer» D. None of these
2464.

Bezier sp line always passes through

A. First and second control point
B. Does not pass from First and second control point
C. Both a & b
D. None of these
Answer» D. None of these
2465.

Hidden surface problem relies on a device called

A. Z-buffer
B. X-buffer
C. Y-factor
D. None
Answer» B. X-buffer
2466.

The center of display screen is computed as

A. X max ,y max
B. Xmax/2,ymax/2
C. Xmax/3,ymax/3
D. None of these
Answer» C. Xmax/3,ymax/3
2467.

Lines of projection coverage at a single point called

A. Centre of attraction
B. Centre of projection
C. Line of projection
D. None
Answer» C. Line of projection
2468.

Which surface algorithm is based on perspective depth?

A. Depth comparison
B. Z-buffer or depth-buffer algorithm
C. subdivision method
D. back-face removal
Answer» C. subdivision method
2469.

− Cavalier and Cabinet projections are

A. Orthographic Projection
B. Perspective Projection
C. Isometric Projection
D. oblique projections
Answer» E.
2470.

................... is the reference portion value of each structure element.

A. element pointer
B. index
C. attribute
D. attribute index
Answer» B. index
2471.

The transformation in which an object is moved from one position to another in circularpath around a specified pivot point is called

A. Translation
B. Scaling
C. Rotation
D. Reflection
Answer» D. Reflection
2472.

The algorithm of hidden surface is

A. Object-space method
B. image-space method
C. Both a & b
D. None of these
Answer» D. None of these
2473.

We need to represent curves & surfaces when

A. We want to model existing objects
B. While modeling from scratch
C. Both a & b
D. None of the above
Answer» D. None of the above
2474.

A transformation that slants the shape of an object is called ....................

A. Reflection
B. Shear
C. Distortion
D. Scaling
Answer» C. Distortion
2475.

The representations for surface modeling include.

A. Polygon mesh
B. Parametric surfaces
C. Quadric surfaces
D. All of the above
Answer» E.
2476.

The graphics method in which one object is transformed into another object are called

A. Clipping
B. Morphing
C. Reflection
D. Shear
Answer» C. Reflection
2477.

If two curve segments join together the curve has

A. G 1 continuity
B. G 0 continuity
C. G 2 continuity
D. G 3 continuity
Answer» C. G 2 continuity
2478.

Which of the following does NOT figure into the Field of View of a pinhole camera?

A. The direction of projection
B. The distance from the center of projection to the projection plane
C. The size of the projection plane
D. None
Answer» B. The distance from the center of projection to the projection plane
2479.

Who developed the phong shading model

A. Dui Tuang Phong
B. Bui Tuong Phong
C. Cohen-sutherland
D. none of these
Answer» C. Cohen-sutherland
2480.

The _________ is a geometric representation of the volume visible to the ________

A. viewing frustum ,virtual camera.
B. virtual camera, viewing frustum ,
C. viewing cone, virtual camera
D. virtual camera, viewing cone
Answer» B. virtual camera, viewing frustum ,
2481.

This projection technique has the direction of projection perpendicular to the viewing plane, but the viewing direction is NOT perpendicular to one of the principle faces.

A. Orthographic Parallel Projection
B. Axonometric Parallel Projection
C. Oblique Parallel Projection
D. None
Answer» C. Oblique Parallel Projection
2482.

The process of burning ON of the pixel of line segment is:

A. Rasterization
B. Factorization
C. Randomization
D. None
Answer» B. Factorization
2483.

The shortest distance between any two dots of the same color is called ...................

A. Resolution
B. Dot Pitch
C. Pixel Depth
D. ppi
Answer» C. Pixel Depth
2484.

24 The problem of hidden surface are

A. Removal of hidden surface
B. Identification of hidden surface
C. Both a & b
D. None of these
Answer» D. None of these
2485.

............... refer to the shapes created by union, intersection and difference of givenshapes

A. Wire frame model
B. Composite transformation
C. Constructive solid geometry methods
D. None
Answer» D. None
2486.

If a line whose end point is (10, 12) and start point is (20, 20), then slope m =?

A. 1.2
B. 0.8
C. -0.4
D. None of the above
Answer» C. -0.4
2487.

Parallel projection discards _______and parallel lines from each vertex on the object are extended until they intersect the view plane.

A. x-coordinate
B. z-coordinate
C. y- coordinate
D. xyz coordinate
Answer» C. y- coordinate
2488.

Choose the incorrect statement from the following about the basic ray tracing technique used in image synthesis ?

A. In this technique rays are cast from the eye point through every pixel on the screen
B. In this technique, viewing transformation are not supplied to the scene prior to rendering
C. This technique removes hidden surfaces.
D. In this technique rays are cast from the light source to the object in the scene
Answer» E.
2489.

The speed of printing in inkjet printer is

A. Fast
B. Slow
C. Not fast nor slow
D. None of these
Answer» C. Not fast nor slow
2490.

if a knot vector of m + 1 knots and n + 1 control points are given, the degree of the Bspline curve is p=

A. m+n - 1
B. m-n-1
C. m+n+1
D. n-m+1
Answer» C. m+n+1
2491.

Which are used to achieve the predetermined orientations and alignments of the objects

A. Constraints
B. Grid
C. Gravity field
D. None of these
Answer» B. Grid
2492.

If the line connecting two interior points of the polygon lies completely inside the polygon, is said to be ____________.

A. Convex
B. Pixel
C. Concave
D. bitmap
Answer» B. Pixel
2493.

To move the image or object from one position to another.

A. Scaling
B. Rotation
C. Translation
D. Skewing
Answer» D. Skewing
2494.

If we assume a uniform intensity of ambient light, Ia, then the intensity of the diffuse reflection at any point on the surface: I = _______where ka=the ambient diffuse coefficient of reflection

A. ka/Ia
B. ka * Ia,
C. ka-Ia
D. ka+Ia
Answer» C. ka-Ia
2495.

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. Orthographic Parallel Projection
B. Axonometric Parallel Projection
C. Oblique Parallel Projection
D. none
Answer» B. Axonometric Parallel Projection
2496.

A Bezier curve is a polynomial of degree ___________the no of control points used

A. One more than
B. One less than
C. Two less than
D. None of these
Answer» C. Two less than
2497.

Z -buffer algorithm are

A. Simplest algorithm
B. Complex algorithm
C. Largest algorithm
D. None of these
Answer» B. Complex algorithm
2498.

The no of control points in a Bezier curve ensures the

A. Jaggies of curve
B. Smoothness of curve
C. Straightness of curve
D. None of these
Answer» C. Straightness of curve
2499.

The equation occurring in finding the reflected vector is

A. L’=2(N.L)N-L
B. L’=2(N.L)N+L
C. L’=2(N.L)N*L
D. L’=2(N.L)N/L
Answer» B. L’=2(N.L)N+L
2500.

The process of mapping a world window in world coordinate system toviewport are called

A. Transformation viewing
B. Viewport
C. Clipping window
D. Screen coordinate system
Answer» B. Viewport