CGM Quiz

Which of the following is the purpose for using clipping in computer graphics?

• copying

• zooming

• adding graphics

• removing objects and lines

Which of the following devices provides positional information to the graphics system?

• Pointing devices

• Both Input devices and Pointing devices

• Output devices

• Input devices

Which of the following is a primary output device of a graphics system?

• Printer

• Scanner

• Video monitor

• Neither Scanner nor Video monitor

Which of the following operations can be used to zoom in or out around any axis on a three-dimensional object from its original position?

• Rotation

• Shearing

• Scaling

• Translation

Viewing transformation is the process of mapping a world window in World Coordinates to the Viewport.

• False

• True

Which of the following algorithm is a faster method for calculating pixel positions?

• Parallel line algorithm

• Mid-point algorithm

• DDA line algorithm

• Bresenham’s line algorithm

The intersection of primary colors in the CMYK color model will generate the -

• 1. Green

• 1. White color

• 1. Black color

• 1. Dark red

RGB models are used for

• printing

• texting

• computer display

• window display

Viewing transformation is the process of mapping a world window in World Coordinates to the Viewport.

• a) False

• b) True

Which one of the following terms is used for the area of the computer captured by an application?

• 1. Viewport

• 1. Window

• 1. Display

• 1. None of the above