Scaling may be used to increase or reduce the size of object.ġ4. Which of the following operation can be applied on a 3 D object to zoom it in or out about any axis from its original position?Įxplanation: In computer graphics, scaling is a process of modifying or altering the size of objects. It allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation.ġ3.

The window opened on the raster graphics screen in which the image will be displayed is called _Įxplanation: In common words, it is termed as a Graphic user interface. In the context of computer graphics, clipping is a method to selectively enable or disable rendering operations within a defined region of interest.ġ2. The process of elimination of parts of a scene outside a window or a viewport is called _Įxplanation: Clipping is the process of cutting out extra material. _ is used in graphics workstation as input devices to accept voice commands.Įxplanation: Through speech recognizers user can give voice commands.Ĭ) To initiate graphics operation and also to enter dataĮxplanation: The voice system input can be used to initiate graphics operations or to enter data.ġ1. The primary output device in a graphics system is_Įxplanation: The video monitor is the commonly used output device.ĩ. The number of pixels stored in the frame buffer of a graphics system is known asĮxplanation: Number of pixels determines the resolution.Ĩ. Which devices provides positional information to the graphics system ?ĭ) Both Input devices and Pointing devicesĮxplanation: Input devices positional information to the system they often called pointing devices.ħ. It is a type of computer graphics that the computer uses to store and display pictures.Ħ. A bitmap is collection of _ that describes an image.Įxplanation: A bitmap is a collection of pixels that describe an image.

How many different types of translation are present in computer graphics?Įxplanation: In computer graphics, there are 3 types of translation techniques namely – the point translation (deals with a single point), the line translation (deals with a line) and the polygon translation (deals with a shape).ĥ.

It is used to decide which part of the image is to be shown and which has to be discarded from the frame.Ĥ. Clipping in computer graphics is primarily used for which of the following function?Ĭ) Removing objects and lines from a pictureĮxplanation: The process of clipping in computer graphics is primarily used for removing objects and lines from a picture. In a graphical system, the array of pixels in the picture are stored inĮxplanation: Frame buffer is mainly used to store pixels.ģ. What is the primary use of clipping in computer graphics?Įxplanation: The primary use of clipping in computer graphics is to remove objects, lines, or line segments that are outside the viewing pane.Ģ.

Mcqs of computer graphics