PC Graphics MCQs (Chapterwise Multiple Choice Questions)

In computer graphics, a technique in which irregularities in shading are created for simulating rough textures is called:

Cosine mapping

Bump mapping

Bleed mapping

Image mapping

Answer & Explanation

Correct Answer: Bump mapping

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What does the term "constraint" imply?

A graphics processing technique that simulates transparency or translucency for objects in a 3D scene to create visual effects like smoke, glass, or water.

The section of the graphics memory that stores the stencil data.

. A rule or condition that must be followed regarding how the individual objects within an graphic can or cannot move, such as a wrist having to be attached to both a hand and an end of the lower arm.

Memory that is dedicated to the graphics processor and used to store rendered pixels before they are displayed on the monitor.

Answer & Explanation

Correct Answer: . A rule or condition that must be followed regarding how the individual objects within an graphic can or cannot move, such as a wrist having to be attached to both a hand and an end of the lower arm.

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A process in 2-D computer graphics whereby a closed vector path is used to mask (block) parts of an image is known as:

Double path

Palletized path

Keying path

Clipping path

Answer & Explanation

Correct Answer: Clipping path

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Another term for the video output device for storing the graphic image as it is being formed and later used for displaying the image is:

FIFO stack

Frame buffer

Flash drive

L3 cache

Answer & Explanation

Correct Answer: Frame buffer

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Which one of the following is a data structure used to organize objects within a space, which can be used in hidden-surface removal and in ray tracing?

Patch mesh

Circular buffer

Binary space partitioning (BSP) tree

Hash table

Answer & Explanation

Correct Answer: Binary space partitioning (BSP) tree

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What does the term "depth sort" imply?

To convert an image or signal into digital code by scanning, tracing on a graphics tablet, or using an analog to digital conversion device.

An algorithm for creating a hidden-line drawing of polygon data sets by drawing the polygons from the most distant to the closest, in order.

The simulation of a continuous-tone image (shaded drawing, photograph) with dots.

In computer graphics, a particular shade or tint of a given color.

Answer & Explanation

Correct Answer: An algorithm for creating a hidden-line drawing of polygon data sets by drawing the polygons from the most distant to the closest, in order.

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Which of the following file formats are popular vector-graphics formats?

EPS

XLS

SVG

PDF

Answer & Explanation

Correct Answer: EPS

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Which one of the following graphics standard specifications is the main competitor to Microsoft's Direct3D (the 3D graphics API within DirectX)?

OpenGL

PHIGS

X 11

IRIS GL

Answer & Explanation

Correct Answer: OpenGL

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The process of using an image described in a vector-graphics format and converting it into a bitmapped image as output on a display or printer, or as storage in a bitmapped file is known as

Pixelation

Rasterization

Transmogrification

Animation

Answer & Explanation

Correct Answer: Rasterization

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The process whereby a specific key color (often blue or green) within an image is made transparent when that image is mixed with another image is known as:

Graphic keying

Chroma keying

Shade keying

Scissors keying

Answer & Explanation

Correct Answer: Chroma keying

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