Computer Graphics

Transformations can be applied on _______________.

• Objects

• Co-ordinates

• Both Objects and Co-ordinates

• None of the options

I want to move an object from one point of the screen to another point. I should apply ________________ transformation.

I want a rectangle to become a square shape. I can achieve it by using _______________ transformation.

• Scaling

• Mirror Reflection

• Rotation

• translation

The point that remains fixed during a rotational transformation is ____________.

• Lower left corner of an object

• Origin of the Co-ordinate system

• All points of the object

• None of the above

In mirror reflection transformation from Y-axis, the point co-ordinate that remains same is _____.

• x-value

• y-value

• nothing is fixed

• both are fixed

I want to draw a pattern that has a vertical symmetry, I can use the concept of _________ to draw it in a easy way.

• Rotation transformation

• Translation transformation

• Mirror Reflection from X-axis

• Mirror Reflection from Y-axis

If we translate a point (10,15) by 4 and 6 respectively, the resultant point will be _________.

• (10,15)

• (16,19)

• (14,19)

• (40,90)

I have a rectangle defined by upper left corner (10,12) and lower right corner (20,18). If I apply a scaling of sx=3 and sy=2 on the rectangle, the new value of lower right corner will be ________.

• (23,20)

• (30,24)

• (60,54)

• (13,14)

path of a point

• Line

• Shape

• Space

• Form

What is ppi?

• (pages per inch)

  Measurement used for images listed on screen

• (pixels per inch)

  Measurement used for images printed on printer

• (pixels per inch)

  Measurement used for images displayed on screen