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Exam 7: Simple Graphics and Image Processing

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Question 31

Multiple Choice

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The drawing of simple, two-dimensional shapes, such as rectangles, triangles, pentagons, and circles, is known as what type of graphics?

A) planar graphics
B) vector graphics
C) geometric graphics
D) targeted graphics

E) None of the above
F) B) and C)

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Question 32

Multiple Choice

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A black-and-white photograph contains more than just the black and white colors, but various shades of gray known by what term?

A) grayshade
B) graymap
C) graycurve
D) grayscale

E) All of the above
F) A) and B)

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Question 33

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The rectangular display area on a computer screen is made up of colored dots called picture elements or pixels.

Programmers who use objects interact with them through their interfaces.

What is the term used to describe the processing of a multi-row, multi-column grid of information using a nested loop structure?

In turtle graphics, the width of the line drawn when the turtle moves is initially 2 pixels.

In the RGB system, the value 255 represents the total absence of that component.

The coordinate system for turtle graphics is the standard Cartesian system, with the origin (0, 0) at the bottom-left corner of a window.

What two Turtle methods affect the color of a Turtle drawing? (Choose two.)

In turtle graphics, the color used is initially black.