Mock IA

Which devices provides positional information to the graphics system ?

• Input devices

• Output devices

• Pointing devices

• Both a and c

The quality of image depends on

• no of pixels used by image

• no of lines used by image

• no of resolution used by image

• none of these

The number of colors available for a system depends upon

• resolution of system

• size of output device

• depth of frame buffer

• aspect ration of the system

If we multiply any matrix with___matrix then we get the original matrix A___.

• Scaling matrix

• Translation matrix

• Identity matrix

• Opposite matrix

Pixel is represented dy a tuple Xw,Yw,w in______.

• Normalised Device Coordinates

• Homogeneous coordinates system

• 3D coordinate system

• None of these

If the angle Q is positive then the rotation direction will be _________.

• Clockwise

• Anticlockwise

• Parallel

• Perpendicular

The shape of the object gets by _________transformation

• Scaling

• Shear

• Rotation

• Translation

Two consecutive transformation t1 and t2 are _________.

• Additive

• Substractive

• . Multiplicative

• None of these

Two consecutive scaling transformation t1 and t2 are __________.

• Multiplicative

• . Additive

• Substractive

• None of these

After scaling a triangle having coordinates A(0,0),B(5,0),C(5,5)by 2 units in X and 3 units in Y direction the new

coordinates will be___________.

• A(0,0),B(10,0),C(10,15)

• A(0,0),B(10,15),C(10,0)

• A(0,0),B(0,10),C(15,10)

• A(2,3),B(10,0),C(10,15)