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.

2401.

Super quadrics is a class of object that contain

A. Data
B. Codes
C. Both a & b
D. None of these
Answer» D. None of these
2402.

Region filling is the process of ___________a definite area of region.

A. Coloring in
B. Preparing
C. Selecting
D. Removing
Answer» B. Preparing
2403.

Input function are used for

A. Control the data flow from these interactive devices
B. Process the data flow from these interactive devices
C. Both a & b
D. None of these
Answer» D. None of these
2404.

______is one of the function that is used to specify a single plane surface

A. Meta-ball model
B. Fill area
C. Reflection
D. None of these
Answer» C. Reflection
2405.

To modify the graphics in coded numbers ______________ is used.

A. Transport
B. Transfer
C. Transformation
D. Relation
Answer» D. Relation
2406.

The method which is based on the principle of comparing objects and parts of objects to each other to find which are visible and which are hidden are called

A. Object-space method
B. image-space method
C. Both a & b
D. None of these
Answer» B. image-space method
2407.

............... can be produced by interpolating shading patterns across the polygon surfacesto eliminate or reduce the presence of polygon edge boundaries.

A. Rasterizing
B. Rendering
C. Smoothing
D. None
Answer» C. Smoothing
2408.

When two or more transformation are carried out together then it is called.

A. Concluding transformation
B. Composite transformation
C. all
D. none
Answer» C. all
2409.

Bezier curve is tangent to the lines connecting _____________.

A. First two points
B. Last two points
C. Fist two points and last two point
D. None of the given
Answer» D. None of the given
2410.

If the line is entirely within the window then both points will have out-codes.

A. 0100
B. 0000
C. 1111
D. 1010
Answer» C. 1111
2411.

The main topological items in boundary representation are:

A. faces, edges and vertices.
B. faces,graphs,edges
C. edges,graphs,points
D. faces,edges ,points
Answer» B. faces,graphs,edges
2412.

How many types of hidden surface algorithm are

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
2413.

Which is a tree type of data structure in which every internal node has at most fourchildren?

A. Point quad tree
B. Edge quad tree
C. Quad tree
D. None of these
Answer» D. None of these
2414.

The process of distortion of information due to low frequency sampling or under sampling is

A. Aliasing
B. Anti-aliasing
C. Sampling
D. None
Answer» C. Sampling
2415.

All the hidden surface algorithms employe image space approach except ?

A. Back face removal
B. Depth buffer method
C. Scan line method
D. Depth sort method
Answer» B. Depth buffer method
2416.

The distance between the actual line location and nearest pixel is called

A. Raster
B. Error Team
C. Line
D. None
Answer» C. Line
2417.

Which method are used to construct and position the straight lines, arcs and circles etc.

A. Rubber band method
B. Gravity method
C. Dragging
D. None of these
Answer» D. None of these
2418.

A many sided figure is termed as

A. Square
B. Polygon
C. Rectangle
D. None
Answer» C. Rectangle
2419.

If all the pixels within an octant have the same color, it is referred to as .....................

A. Heterogeneous octant
B. Homogeneous octant
C. Simultaneous octant
D. Similar octant
Answer» C. Simultaneous octant
2420.

______ ink is used in laserprinter

A. Wet
B. Dry
C. Both a & b
D. None of these
Answer» C. Both a & b
2421.

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

A. Rotation
B. Shearing
C. Translation
D. Scaling
Answer» B. Shearing
2422.

Most of our drawing algorithm use-

A. Incremental Method
B. Decrement Method
C. Multiplier Method
D. None
Answer» B. Decrement Method
2423.

Select the perspective anomalies from the following:

A. Perspective foreshortening
B. Perspective increasing
C. Centre of projection
D. Vanishing point
Answer» B. Perspective increasing
2424.

Second order parametric continuity(C2 continuity) means that both ____and____ parametric derivatives of the two curves are same at the intersection

A. second and third
B. first and second
C. second and third
D. third and fourth
Answer» C. second and third
2425.

Oblique projection with an angle of 45 to the horizontal plane is called as:

A. Cabinet projection
B. Isometric projection
C. Cavalier projection
D. None
Answer» D. None
2426.

Approximating curve passes as close as possible while maintaining ______degrees offreedom

A. maximum
B. minimum
C. zero
D. five
Answer» C. zero
2427.

Difference between parallel and perspective projection lies in the

A. Centre of attraction
B. Centre of projection
C. Line of control
D. None
Answer» C. Line of control
2428.

Interactive computer graphics uses various kind of input devices such as

A. Mouse
B. Graphic tablet
C. Joystick
D. All of these
Answer» E.
2429.

The Cartesian slope-intercept equation for a straight line is ________________.

A. y = m(a+b+c)
B. y = m.x + b
C. y = 2∆x-m
D. None of the above
Answer» C. y = 2∆x-m
2430.

This projection technique does NOT have the direction of projection perpendicular to the viewing plane.

A. Orthographic Parallel Projection
B. Axonometric Parallel Projection
C. Oblique Parallel Projection
D. None
Answer» D. None
2431.

In pointers to vertex list

A. Each vertex is stored once
B. Each vertex is stored twice
C. Vertex is not stored
D. Edges are stored
Answer» B. Each vertex is stored twice
2432.

An array of weights of subpixels are called as-

A. pixel array
B. pixels
C. pixel-weighted mask
D. None
Answer» D. None
2433.

The division displayed on screen into row and columns is known as

A. Rubber band method
B. Gravity field
C. Dragging
D. Grid
Answer» E.
2434.

How many data elements for each region in quad-tree data structure

A. 2
B. 4
C. 8
D. 6
Answer» D. 6
2435.

An object's _______ determine its orientation relative to the light sources. For each vertex, OpenGL uses the assigned normal to determine how much light that particular vertex receives from each light source.

A. Unit
B. Normal
C. Double
D. None
Answer» C. Double
2436.

The object refers to the 3D representation through linear, circular or some other representation are called

A. Quadric surface
B. Sweep representation
C. Torus
D. None of these
Answer» C. Torus
2437.

A parametric curve is one whose defining equations are given in terms of a -------------, common, independent variable called the parametric variable.

A. Triple
B. Double
C. Single
D. None of the given
Answer» D. None of the given
2438.

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

A. Wire frame model
B. Composite transformation
C. Constructive solid geometry methods
D. None
Answer» D. None
2439.

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

A. non parametric curve
B. parametric curve
C. polygon vector
D. None of these
Answer» E.
2440.

which of the following are simple shapes as described by constructive solid geometry

A. cuboids,
B. cylinders,
C. prisms,
D. all of the above
Answer» E.
2441.

A method used to test lines for total clipping is equivalent to the .............

A. logical XOR
B. logical OR
C. logical AND
D. both a & b
Answer» D. both a & b
2442.

(2,4) is a point on a circle that has center at the origin. Which of the following points are also on circle ?

A. (2,-4)
B. (-2,4)
C. (-4,-2)
D. All of above
Answer» E.
2443.

The phenomenon of having a continuous glow of a beam on the screen even after it is removed is called as?

A. Fluorescence
B. Persistence
C. Phosphorescence
D. Incandescence
Answer» D. Incandescence
2444.

An inkjet printer places_______ of ink onto paper to print an image

A. Small droplets
B. large droplets
C. Both a & b
D. None of these
Answer» B. large droplets
2445.

How many data elements for each region in octree data structure

A. 2
B. 4
C. 6
D. 8
Answer» E.
2446.

When two molecules move apart, which effect on molecular shapes

A. Stretching
B. Snapping
C. Contracting
D. All of these
Answer» E.
2447.

The phenomenon of having a continuous glow of a beam on the screen even after it is removed is called as ?

A. Fluorescence
B. Persistence
C. Phosphorescence
D. Incandescence
Answer» D. Incandescence
2448.

More the control points of a Bezier curve,________ quality of the curve

A. Higher
B. Lower
C. Bad
D. None of these
Answer» B. Lower
2449.

When transforming a random Axis-Aligned Bounding Box defined by the points (nearx, neary, nearz) and (farx, fary, farz) to the standard orthographic viewing box, which affine transforms are used?

A. shear and translation
B. rotation and scale
C. scale and shear
D. translation and scale
Answer» E.
2450.

Identify the odd one out from the following

A. Frame Buffer
B. Pixmap
C. Display program
D. Refresh Buffer
Answer» C. Display program