Multiple choice questions and answers (MCQ) based on the Circle Drawing and Ellipse Drawing Algorithms in computer graphics with 4 choices, correct answer and explanation.

### questions

Title
###### What is the equation for a circle?

What is the equation for a circle?

1. y = mx + c
2. y^2 = r^2 – x^2
3. rx^2y^2 = rx^2ry^2 - ry^2x^2
4. None of the above
###### Which among the following is the correct equation for an ellipse?

Which among the following is the correct equation for an ellipse?

1. y = mx + c
2. y^2 = r^2 – x^2
3. rx^2y^2 = rx^2ry^2 - ry^2x^2
4. None of the above
###### Which of the following properties is followed by the ellipse?

Which of the following properties is followed by the ellipse?

1. 4 – symmetry property
2. 8 – symmetry property
3. 6 – symmetry property
4. All of the above
###### Which of the following are the methods to define a circle?

Which of the following are the methods to define a circle?

1. Using polynomial method
2. Using polar coordinates methods
3. Both a. and b.
4. None of the above
###### "The mid-point algorithm is used for both circle drawing as well as ellipse drawing, but the procedure is different for both of them." Based upon the above statement, determine whether the following condition is true or false. "The circle follows 8 - symmetry property whereas the elli

"The mid-point algorithm is used for both circle drawing as well as ellipse drawing, but the procedure is different for both of them."
Based upon the above statement, determine whether the following condition is true or false.
"The circle follows 8 - symmetry property whereas the ellipse follows 4 – symmetry property."

1. True
2. False
###### Why does a circle drawn on a computer screen look elliptical?

Why does a circle drawn on a computer screen look elliptical?

1. Because of its elliptical nature
2. Because CRTs design is elliptical
3. It is due to the ratio aspect of computer monitor
4. None of these
###### With reference to properties of a circle, a circle is defined as a set of points that are all the given distance (xc ,yc)

With reference to properties of a circle, a circle is defined as a set of points that are all the given distance (xc ,yc). 1. True
2. False
###### An ellipse consists of two axes: major and minor axes where the major axis is the longest diameter and minor axis is the shortest diameter

An ellipse consists of two axes: major and minor axes where the major axis is the longest diameter and minor axis is the shortest diameter.

1. True
2. False
###### During a circle creation using Bresenham's algorithm, it is usually simple to generate a circle?

During a circle creation using Bresenham's algorithm, it is usually simple to generate a circle?

1. One octant first and other by successive translation
2. One octant first and other by successive reflection
3. Both A and B
4. None of the above mentioned
###### In computer graphics, the mid-point ellipse algorithm is an ___ of drawing an ellipse

In computer graphics, the mid-point ellipse algorithm is an ___ of drawing an ellipse.

1. Elliptical method
2. Decremented method
3. Circulation method
4. None of the above mentioned
###### Midpoint ellipse algorithm plots points of an ellipse on the first quadrant by dividing the quadrant into two regions

Midpoint ellipse algorithm plots points of an ellipse on the first quadrant by dividing the quadrant into two regions.

1. True
2. False
###### In the following figure, which one will be the appropriate pair of coordinates in the blanks?

In the following figure, which one will be the appropriate pair of coordinates in the blanks? 1. (-x, y)
2. (x, -y)
3. (-x, -y)
4. (x, y)
###### The value of the decision parameter determines whether the mid-point lies ___ boundary and the then position of the mid-point help in drawing the ellipse

The value of the decision parameter determines whether the mid-point lies ___ boundary and the then position of the mid-point help in drawing the ellipse.

1. At boundaries
2. Inside, outside, or on the ellipse
3. Only inside the boundaries
4. Only outside the boundaries
###### Which of the following method/methods are used to get and set the location of a pixel, object or text in a desktop's active area?

Which of the following method/methods are used to get and set the location of a pixel, object or text in a desktop's active area?

1. Gravity field method
2. Basic positioning method
3. Only A
4. None of The Above
###### The ___ of the circle is often used by the midpoint circle drawing algorithm to produce

The ___ of the circle is often used by the midpoint circle drawing algorithm to produce.

1. Two-way symmetry
2. Six-way symmetry
3. Eight-way symmetry
4. None of the mentioned above
###### Let R be the circumference of a circle. The angle created by an arc of length R at the circle's middle is?

Let R be the circumference of a circle. The angle created by an arc of length R at the circle's middle is?

2. 90 degree
3. 60 degree
4. 1 degree
###### To draw a perspective image of a globe, first enclose the circle in ___ then add pointing points, and so on

To draw a perspective image of a globe, first enclose the circle in ___ then add pointing points, and so on.

1. Circle
2. Rectangle
3. Ellipse
4. All of the mentioned above
###### ___ is defined as a group of points where the sum of the distances for all points is the same

___ is defined as a group of points where the sum of the distances for all points is the same.

1. Lines
2. Dots
3. Only A
4. Ellipses
###### The orientation of a picture plane in relation to the source is unaffected by the perspective view's distance

The orientation of a picture plane in relation to the source is unaffected by the perspective view's distance.

1. True
2. False
###### At any point (x, y) on the boundary of the circle with radius r satisfies the equation fcircle (x,y)=0. If the point is in the interior of the circle, the circle function is negative while if the point is outside the circle the, circle function is ___

At any point (x, y) on the boundary of the circle with radius r satisfies the equation fcircle (x,y)=0. If the point is in the interior of the circle, the circle function is negative while if the point is outside the circle the, circle function is ___

1. Positive
2. Also negative
3. May be positive or negative
4. None of the above mentioned
###### total MCQs: 20 MCQs

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