# Computer Graphics MCQ Questions And Answers

## 11. Geometric transformation includes

1. Scaling
2. Transition
3. Drawing
4. None of the above

Explanation: Geometric transformation includes scaling.

## 12. Three-dimensional computer graphics become effective in the late

1. 1960
2. 1980
3. 1950
4. 1970

Explanation: Three-dimensional computer graphics become effective in the late 1980.

## 13. Among the given scientists/inventor who is known as the father of Computer Graphics?

1. Nikola Tesla
3. Ivan Sutherland
4. Marie Curie

Explanation: Ivan Sutherland is considered as the father of the Computer Graphics and he invented an interactive graphics system called sketchpad in 1963.

## 14. A user can make any change in the image using

1. Non-Interactive computer graphics
2. Interactive computer graphics
3. Both (A) and (B)
4. None of the above

Explanation: A user can make any change in the image using only Interactive computer graphics as in interactive Computer Graphics, the user has some control over the picture, it means that the user can make any change in the produced image. One example of it is the ping-pong game.

## 15. In a graphical system, the array of pixels in the picture is stored in

1. Memory
2. Processor
3. Frame buffer
4. None of the above

Explanation: In a graphical system, the array of pixels in the picture is stored in a frame buffer.

## 16. With respect to CRT, the horizontal retrace is defined as

1. The path an electron beam takes when returning to the left side of the CRT
2. The path an electron beam takes when returning to the right side of the CRT
3. The technique of turning the electron beam ON/OFF while retracing
4. The technique of turning the electron beam OFF while retracing

Explanation: With respect to CRT, the horizontal retrace is defined as the path an electron beam takes when returning to the left side of the CRT.

## 17. Types of computer graphics are

1. Scalar And Raster
2. Scalar And Vector
3. Vector And Raster
4. None of the above

Explanation: Types of computer graphics are: Vector and Raster.

## 18. The quality of an image depends on

1. Number of pixel used by image
2. Number of resolution used by image
3. Number of line used by image
4. None of the above

Explanation: The quality of an image depends on the number of pixel used by image. More pixels in image means better quality.

## 19. If the boundary is specified in a single color, and if the algorithm proceeds pixel by pixel until the boundary color is encountered is called

1. Flood Fill Algorithm
2. Boundary Fill Algorithm
3. Scan Line Algorithm
4. None of the above