Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The region code of a point within the window is ............

A. 0000
B. 0001
C. 1000
D. 1111
Answer» B. 0001
2.

If the eccentricity is less than one then the conic is ?

A. parabola
B. ellipse
C. hyperbola
D. circle
Answer» C. hyperbola
3.

The result of logical AND operation with endpoint region codes is a nonzero value. Which of the following statement is true?

A. The line is completely inside the window
B. The line is completely outside the window
C. The line is partially inside the window
D. The line is already clipped
Answer» C. The line is partially inside the window
4.

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

A. cavalier projection
B. isometric projection
C. perspective projection
D. oblique projection
Answer» E.
5.

Projection line is

A. Continuous thick line
B. Continuous thin line
C. Chain thin line
D. Dashed line
Answer» C. Chain thin line
6.

The region against which an object is clipped is called a ..............

A. Clip window
B. Boundary
C. Enclosing rectangle
D. Clip square
Answer» B. Boundary
7.

In a clipping algorithm of Cohen & Sutherland using region codes, a line is already clipped if the ?

A. codes of the end point are same
B. logical AND of the end point code is not 0000
C. both (a) and (b)
D. logical AND of the end point code is 0000
Answer» D. logical AND of the end point code is 0000
8.

The centre of projection for parallel projectors is at

A. Zero
B. Infinity
C. One
D. None of these
Answer» C. One
9.

The simplest output primitive is ............

A. Straight line
B. Straight line segment
C. Point
D. Circle
Answer» D. Circle
10.

A polygon in which the line segment joining any 2 points within the polygon may not lie completely inside the polygon is called __?

A. convex polygon
B. concave polygon
C. both (a) and (b)
D. none of these
Answer» C. both (a) and (b)
11.

In random scan display, the frame buffer holds ......................

A. Line drawing commands
B. Scanning instructions
C. Image Resolution
D. Intensity information
Answer» B. Scanning instructions
12.

In DVST, the electron beam from primary electron gun strikes on ..............

A. Storage mesh
B. Flood gun
C. Collector mesh
D. Phosphor screen
Answer» B. Flood gun
13.

The method which used either delta x or delta y, whichever is larger, is chosen as one raster unit to draw the line this algorithm is called?

A. DDA Line Algorithm
B. Midpoint Line Algorithm
C. Bresenham`s Line Algorithm
D. Generalized Bresenham`s Algorithm
Answer» B. Midpoint Line Algorithm
14.

The projection that can be viewed as the projection that has a centre of projection at a finite distance from the plane of projection are called

A. Parallel  projection
B. Perspective projection
C. Isometric projection
D. None of these
Answer» C. Isometric projection
15.

The process of selecting and viewing the picture with different views is called_______________

A. Windowing
B. clipping
C. both (a) and (b)
D. projecting
Answer» B. clipping
16.

In raster scan display, the frame buffer holds ......................

A. Line drawing commands
B. Scanning instructions
C. Image Resolution
D. Intensity information
Answer» E.
17.

The first viewing parameter we must consider is the?

A. view reference plane
B. view reference point
C. viewing window
D. shift vector
Answer» C. viewing window
18.

The region code of a point is 1001. The point is in the ................. region of window.

A. Top right
B. Top lef
C. Bottom lef
D. Botton right
Answer» C. Bottom lef
19.

Orthographic projection represents three dimensional objects in

A. One dimension
B. Two dimension
C. Three dimension
D. All of the above
Answer» C. Three dimension
20.

In the term ortho-graphic, ‘orthos’ means

A. Drawing
B. Straight
C. Projection
D. View
Answer» C. Projection
21.

In orthographic projection, the projection lines are ______ to the projection plane.

A. Parallel
B. Orthogonal
C. Inclined
D. Any of the above
Answer» C. Inclined
22.

The quality of an image depend on

A. No. of pixel used by image
B. No. of line used by image
C. No. of resolution used by image
D. None of these
Answer» B. No. of line used by image
23.

In orthographic projection, the object is placed with one of its faces ______ to the picture plane.

A. Inclined
B. Perpendicular
C. Parallel
D. Any of the above
Answer» D. Any of the above
24.

The point, from which the observer is assumed to view the object, is called

A. Center of projection
B. Point of projection
C. Point of observer
D. View point
Answer» B. Point of projection
25.

A palette can be defined as a finite set of colors for managing the

A. Analog images
B. Digital images
C. Both a & b
D. None of these
Answer» C. Both a & b
26.

The two ways of drawing orthographic projection are

A. First angle, second angle
B. First angle, third angle
C. Second angle, third angle
D. Second angle, fourth angle
Answer» C. Second angle, third angle
27.

Orthographic projection is also known as

A. Single view projection
B. Two view projection
C. Multi view projection
D. All of the above
Answer» D. All of the above
28.

FOR_A_POINT_TO_BE_CLIPPED,_WHICH_OF_THE_FOLLOWING_CONDITIONS_MUST_BE_SATISFIED_BY_THE_POINT??$

A. yw<sub>min</sub> < y < yw<sub>max</sub>
B. yw<sub>min</sub> > y > yw<sub>max</sub>
C. yw<sub>min</sub> = y = yw<sub>max</sub>
D. xw<sub>min</sub> < x < xw<sub>max</sub>
Answer» C. yw<sub>min</sub> = y = yw<sub>max</sub>
29.

In polygon clipping, line clipping algorithms can be used.$

A. True
B. False
Answer» B. False
30.

Which type of clipping is used to clip character strings?$

A. text clipping
B. line clipping
C. sentence clipping
D. word clipping
Answer» B. line clipping
31.

For a point to be clipped, which of the following conditions must be satisfied by the point?

A. xw<sub>min</sub> < x < xw<sub>max</sub>
B. xw<sub>min</sub> = x = xw<sub>max</sub>
C. xw<sub>min</sub> > x > xw<sub>max</sub>
D. yw<sub>min</sub> = y = yw<sub>max</sub>
Answer» D. yw<sub>min</sub> = y = yw<sub>max</sub>
32.

Which of the following is NOT a type of clipping algorithm used on the raster system?

A. line clipping
B. point clipping
C. area clipping
D. solid clipping
Answer» E.
33.

For a 2d transformation viewing, in how many ways a clipping algorithm can be applied?

A. 3
B. 2
C. 1
D. 5
Answer» C. 1
34.

The process of elimination of parts of a scene outside a window or a viewport is called _____________

A. cutting
B. plucking
C. clipping
D. editing
Answer» D. editing
35.

Which of the following co-ordinates are NOT used in 2d viewing transformation?

A. modelling co-ordinates
B. viewing co-ordinates
C. vector co-ordinates
D. device co-ordinates
Answer» D. device co-ordinates
36.

Any convenient co-ordinate system or Cartesian co-ordinates which can be used to define the picture is called ___________

A. spherical co-ordinates
B. vector co-ordinates
C. viewport co-ordinates
D. world co-ordinates
Answer» E.
37.

Co-ordinates are ranging according to the screen resolution.

A. True
B. False
Answer» B. False
38.

A view is selected by specifying a sub-area of the __________ picture area.

A. half
B. total
C. full
D. quarter
Answer» C. full