20
AssignmentMultiple Choice

Digital Images

Question 20 • Introduction to Information Technology - EL3701

Which of the following is the best use for a raster graphic?

Answer
A
diagrams that need to be printed in textbooks and shown through an overhead projector
B
images that need to be scaled
C
logos that need to be enlarged
D
photos of real-life people, places, and objects

Explanation

Raster graphics are made of pixels, so they work especially well for detailed images with many colors and subtle variations. Photos of real-life people, places, and objects are therefore a good use for raster graphics. Enlarging a raster image can make it look pixelated, so choices about scaling and enlarging logos are better suited to vector graphics.

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