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Exam 7: Simple Graphics and Image Processing

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Question 31

True/False

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

A) True
B) False

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Question 32

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

A) setcolor()
B) pencolor()
C) fillcolor()
D) drawcolor()

E) A) and D)
F) A) and B)

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Question 33

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

In turtle graphics, the color used is initially black.

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

Programmers who use objects interact with them through their interfaces.

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

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

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

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