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Welcome to the Two Dimensional Viewing MCQs Page

Dive deep into the fascinating world of Two Dimensional Viewing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Two Dimensional Viewing, a crucial aspect of Computer Graphics. In this section, you will encounter a diverse range of MCQs that cover various aspects of Two Dimensional Viewing, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Computer Graphics.

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Check out the MCQs below to embark on an enriching journey through Two Dimensional Viewing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Graphics.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Two Dimensional Viewing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Two Dimensional Viewing MCQs | Page 7 of 8

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Q61.
To set line width attributes in a PHIGS package, ................... function is used

a.

setLineWidthScaleFactor(lw)

b.

setLineThickness(lw)

c.

setPolylineWidth(lw)

d.

setLineWidth(lw)

Discuss
Answer: (a).setLineWidthScaleFactor(lw)
Q62.
The process of extracting a portion of a database or a picture inside or outside a specified region are called

a.

Transformation

b.

Projection

c.

Clipping

d.

Mapping

Discuss
Answer: (c).Clipping
Q63.
The rectangle portion of the interface window that defines where the image will actually appear are called

a.

View port

b.

Transformation viewing

c.

Clipping window

d.

Screen coordinate system

Discuss
Answer: (a).View port
Q64.
Coordinates of window are knows as ..............

a.

Screen coordinates

b.

World coordinates

c.

Device coordinates

d.

Cartesian coordinates

Discuss
Answer: (b).World coordinates
Q65.
Coordinates of viewport are known as ............

a.

World coordinates

b.

Polar coordinates

c.

Screen coordinates

d.

Cartesian coordinates

Discuss
Answer: (c).Screen coordinates
Q66.
The region against which an object is clipped is called a ..............

a.

Clip window

b.

Boundary

c.

Enclosing rectangle

d.

Clip square

Discuss
Answer: (a).Clip window
Q67.
............. identifies the picture portions that are exterior to the clip window

a.

Interior clipping

b.

Exterior clipping

c.

Extraction

d.

None of the above

Discuss
Answer: (b).Exterior clipping
Q68.
Identify line clipping algorithms from the following

a.

Cohen- Sutherland algorithm

b.

Liang-Barsky clipping

c.

Nicholl-Lee-Nicholl clipping

d.

All of the above

Discuss
Answer: (d).All of the above
Q69.
The region code of a point within the window is ............

a.

0000

b.

0001

c.

1000

d.

1111

Discuss
Answer: (a).0000
Q70.
According to Cohen-Sutherland algorithm, a line is completely outside the window if ............

a.

The region codes of line endpoints have a '1' in same bit position.

b.

The endpoints region code are nonzero values

c.

If L bit and R bit are nonzero.

d.

The region codes of line endpoints have a '0' in same bit position.

Discuss
Answer: (a).The region codes of line endpoints have a '1' in same bit position.
Page 7 of 8

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