Computer Graphics - Interview Questions and Answers | Basic Computer Knowledge

1.

Graphics software packages are available for?

   A.) Pictures
   B.) Charts
   C.) Graphics
   D.) All of the above

Answer: Option 'D'

All of the above

2.

Identify the values for fill-style parameter from the following

   A.) Hollow
   B.) Pattern 
   C.) Hatch 
   D.) All of the above

Answer: Option 'D'

All of the above

3.

All the following hidden surface algorithms employ image space approach except

   A.) scan line method 
   B.) depth sort method
   C.) depth buffer method
   D.) back face removal 

Answer: Option 'D'

​back face removal 

4.

The ________ simply reads each successive byte of data from the frame buffer.

   A.) Display Controller
   B.) Digital Controller
   C.) Data Controller
   D.) All of the above

Answer: Option 'A'

Display Controller

5.

Which one of the following transmits digital information to the computer?

   A.) Joystick
   B.) Mouse
   C.) Graphics tablet
   D.) None of the above

Answer: Option 'D'

None of the above

6.

Aspect ratio is generally defined as the ratio of the?

   A.) Vertical to horizontal points
   B.) Horizontal to vertical points
   C.) Either A or B , depending on the convention followed
   D.) Vertical to (horizontal + vertical) points

Answer: Option 'C'

​Either A or B , depending on the convention followed
Aspect ration is the ratio of rectangle's width and height.

7.

In a display specified as 600x400 the number of pixels across the display screen is?

   A.) 600
   B.) 400
   C.) 240000
   D.) All of these

Answer: Option 'A'

600

8.

The purpose of display processor is __from the graphics routine task?

   A.) To free the secondary memory
   B.) to free the CPU
   C.) to free the main memory
   D.) none of these

Answer: Option 'B'

​to free the CPU

9.

Smallest size object that can be displayed on a monitor is called .________

   A.) Picture element 
   B.) Point
   C.) Dot Pitch 
   D.) aspect ratio

Answer: Option 'A'

​Picture element 

10.

________________ is the number of points per centimeter that can be plotted horizontally and vertically

   A.) Aspect Ratio
   B.) Pixel Depth
   C.) Resolution 
   D.) Dot Pitch

Answer: Option 'C'

​Resolution 

11.

The first viewing parameter we must consider is the?

   A.) view reference plane
   B.) view reference point
   C.) viewing window
   D.) shift vector

Answer: Option 'B'

view reference point

12.

EPS image file format is used for

   A.) Vector graphics
   B.) Bitmap
   C.) Both a & b
   D.) None of these

Answer: Option 'C'

​Both a & b

13.

The typical aspect ratio of the CRT is?

   A.) 0.8
   B.) 0.5
   C.) 0.2
   D.) 0.99

Answer: Option 'A'

0.8

14.

The glow given off by the, phosphor during exposure of the electron beam is known as?

   A.) Phosphorescence
   B.) Fluorescence
   C.) Persistence
   D.) All of the above

Answer: Option 'B'

​Fluorescence

15.

Graphics programmes are those which create?

   A.) Designs
   B.) Images
   C.) Pictures
   D.) All of the above

Answer: Option 'C'

Pictures

16.

The region code of a point within the window is _________

   A.) 0000
   B.) 1000 
   C.) 0001
   D.) 1111

Answer: Option 'A'

​0000

17.

The SRGP package provides the __to wide the variety of display devices?

   A.) connection
   B.) way
   C.) link
   D.) interface

Answer: Option 'D'

interface

18.

A scaling transformation changes the __________ of an object?

   A.) location
   B.) size
   C.) shape
   D.) none of these

Answer: Option 'B'

​size

19.

Line produced by moving pen is __ at the end points than the line produced by the pixel replication?

   A.) straight
   B.) thin
   C.) both (a) and (b)
   D.) thicker

Answer: Option 'D'

thicker

20.

The transformation that produces a parallel mirror image of an object are called

   A.) Rotation
   B.) Reflection
   C.) Translation
   D.) Scaling

Answer: Option 'B'

Reflection


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