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Computer Graphics MCQ

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10th Dec, 2021
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Computer Graphics MCQ Questions

Following are mostly asked Computer graphics MCQ test that are designed for professionals like you to crack you interviews. You can take this Computer graphics online test before appearing to you real interview. This Computer graphics quiz there are around 30+ multiple choice questions on Computer graphics with four options.

1) The basic attributes of a straight line segment are

A. Type
B. Color
C. Width
D. All of these

2) A dashed line could be displayed by generating_________.

A. Inter dash spacing

B. Very short dashes
C. Botha a and b
D. A or B

3) Which of the following is not a line-type?

A. Dotted line
B. Dark line
C. Dashed line
D. Only b

4) The algorithm which displays line-type attributes by plotting pixel spans is

A. Raster scan algorithm
B. Raster line algorithm

C. Random scan algorithm
D. Random line algorithm

5) Pixel mask means

A. A string containing only 1;s
B. A string containing 1 and 0

C. A string containing only 0’s
D. A string containing 0 and 0

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6) A heavy line on a video monitor could be displayed as

A. Adjacent perpendicular lines
B. Adjacent parallel lines

C. Both a and b
D. Neither a nor b

7) To set the line-width attribute the following command is used.

A. SETLINEWIDTHSCALEFACTOR (lw)
B. Setlinewidthscalefacto (lw)
C. setLineWidthScaleFactor (lw)

D. Setlinewidth()

8) We can adjust the shape of the line ends to give them a better appearance by using

A. Line spacing
B. Line caps

C. More dots
D. Round cap

9) We set the line-color value in PHIGS with the function

A. setPolylineColorIndex (lc)

B. SETPOLYLINECOLORINDEX (lc)
C. setline Color()
D. Only b

10) A line drawn in the background color is

A. Visible
B. Invisible
C. Visible or Invisible
D. Only b

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11) The basic parameter to curved attributes are

A. Type
B. Width
C. Color
D. All of the mentioned

12) Raster curves of various widths can be displayed using

A. Vertical spans
B. Horizontal spans
C. Horizontal or vertical spans

D. Horizontal and vertical spans

13) If the slope magnitude is 1, then circles, ellipse and other curves will appear

A. Thick
B. Thinnest

C. Big
D. Rough

14) One of the method for displaying thick curves is

A. Curve width
B. Curve slope

C. Curve cap
D. Only c

15) The curves displayed with a rectangular pen will be

A. Thinner
B. Thicker and magnitude slope is 1

C. Thicker and magnitude slope >1
D. B or C

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16) The color code “000” is for

A. Black

B. White
C. Blue
D. Green

17) Color information can be stored in

A. Main memory
B. Secondary memory
C. Graphics card
D. Frame buffer

18) Which one is not a type of basic fill styles?

A. Pattern
B. solid color
C. Hollow
D. Dark

19) Hatch fill procedures are implemented to draw

A. Cross hatching
B. Single hatching
C. Either a or b

D. Only b

20) When 2 background colors B1 and B2 are mixed with foreground color F, the resulting pixel color P is

A. P=t0*F-t1*B1+(1-t0-t1)B2
B. P=t0*F+t1*B1+(1-t0-t1)B2
C. P=t0*F+t1*B1+(1+t0+t1)B2
D. Only b

21) The choice between a bundled attribute or an unbundled attribute is made by

A. Setting bundle table
B. Index table
C. Setting switch
D. Only c

22) A poly-line that is assigned a table index value of 3 would be displayed using

A. Same index
B. Dotted line
C. Dashed line

D. All of the mentioned

23) A particular text index value is chosen with the function

A. settextindex(ti)
B. setTextIndex(ti)

C. setTextIndex()
D. SetTextIndex(ti)

24) Which of the following is the basic attribute of a character?

A. Font
B. Orientation
C. Size and color
D. All of the mentioned

25) When a character string is to be displayed, the which color is used to set the pixel value in frame buffer?

A. White color
B. Black color
C. Current color

D. Any color

26) The Character size is specified by

A. Compositors
B. Printers
C. Frame buffer
D. Both a and b

27) A function that allows the user to select a particular character to be as marker symbol is

A. SETMARKER()
B. setMarkersymbol(mt)
C. setmarkertype (mt)
D. setMarkerType (mt)

28) Is it possible to have hardware as character generator?

A. True

B. False

29) Why aren’t camcorder CG used more frequently in the titler market?

A. They don’t record for longer time period
B. They have low storage capacity

C. They are not economically feasible
D. They use a background of video for title super imposition

30) How many Methods of character generations are there?

A. 2
B. 3

C. 4
D. 5

31) Which method of character generation is also called Dot-matrix method?

A. Starbust method
B. Stroke method
C. Bitmap method

D. There isn’t that type of method

32) In which method, graph is used in form of line to line?

A. Starbust method
B. Bitmap method
C. Stroke method

D. Dot-matrix method

33) Which method has the poorest character quality?

A. Starbust method

B. Stroke method
C. Bitmap method
D. Dot-matrix method

34) We can think a line as a _____________________ in the grid.

A. Parallelogram
B. Circle
C. Rectangle

D. Triangle

35) What is lower bound on the sampling rate known as?

A. Sampling rate
B. Syquist rate
C. Nyquist rate

D. Hartley rate

36) Which of the following is NOT a type of area sampling?

A. Anti-aliasing
B. Weighted area sampling
C. Unweighted area sampling
D. Point sampling

37) What happens to intensity if an area of overlapping increases?

A. Intensity remains same
B. Intensity decreases
C. Can’t say anything
D. Intensity increases

38) What is the effect of weighted area sampling on adjacent pixels?

A. Contrast is increased
B. Contrast is decreased

C. Intensity is decreased
D. Intensity is increased

39) What is the name of the effect that causes different signals to become indistinguishable

A. Sampling
B. Staircase effect
C. Aliasing

D. Anti-aliasing

40) The basic geometric transformations are

A. Translation
B. Scaling
C. Rotation
D. All of the mentioned

Computer Graphics Online Test Questions (Computer Graphics FAQs)

1) What is computer graphics?

Computer graphics is a field of computer science which deals with generation of images with the aid of computers.Computer Graphics is mainly used in digital photography, film, video games, cell phone and computer displays, and many specialized applications.

2) Explain 3d transformation in computer graphics?

3D Transformation is the process of manipulating the view of a three-D object with respect to its original position 3-D Transformation is the process of manipulating the view of a three-D object with respect to its original position.

3) What is Scan conversion in computer graphics?

Scan conversion in computer graphics is process of representing continuous graphics objects as a collection of discrete pixels.

4) What is shearing in computer graphics?

Shearing in computer graphics is transformation that changes the shape of object.Shearing can be in one direction or in two directions.It comes handy when you want to skew an object sideways while still keeping the surfaces in perpendicular direction flat.

5) What is the primary use of clipping in computer graphics?

Clipping in computer graphics primarily used to remove objects, lines, or line segments that are outside the viewing pane.

6) What are the components of interactive computer graphics?

The major components of interactive computer graphics are monitor, touch screen, mouse, keyboards or any other device that is used to interact with system using Interactive medium.

7) What is Aspect Ratio?

Aspect ratio is the ratio between the width of an image and the height of an image. It is commonly explained as two numbers separated by a colon, for example- (6:7).

8) What is Reflection?

Reflection in computer graphics is used to emulate reflective objects like mirrors and shiny surfaces. These images can be either on X-axis or Y-axis and the objects can be rotated by 180 degrees.

9) What is critical fusion frequency?

Critical flicker/fusion frequency (CFF) is the transition point for an intermittent light of increasing temporal frequency, where the flickering ceases and the light is perceived as continuous. It is used for moving images.

10) What is a Turtle Graphics Program?

Turtle Graphics program is a library in Python. In computer graphics, turtle graphics are vector graphics using a relative cursor (the "turtle") upon a Cartesian plane. Turtle graphics is a key feature of the Logo programming language.