Question 1

The object space or the space in which the application model is defined is called

Accepted Answer

A) World co-ordinate system 
B) Screen co-ordinate system 
C) World window 
D) Interface window 
A) World co-ordinate system 
B) Screen co-ordinate system 
C) World window 
D) Interface window

Question 2

Reflection about the line y=0, the axis, is accomplished with the transformation matrix with how many elements as '0'?

Accepted Answer

A) 8 
B) 9 
C) 4 
D) 6 
A) 8 
B) 9 
C) 4 
D) 6

Question 3

In which type of projection, actual dimensions and angles of objects and therefore shapes cannot be preserved?

Accepted Answer

A) Orthographic 
B) Isometric 
C) Perspective 
D) None of the above 
A) Orthographic 
B) Isometric 
C) Perspective 
D) None of the above

Question 4

The translation distances (dx, dy) is called as

Accepted Answer

A) Translation vector 
B) Shift vector 
C) Both a and b 
D) Neither a nor b 
A) Translation vector 
B) Shift vector 
C) Both a and b 
D) Neither a nor b

Question 5

Two successive translations are

Accepted Answer

A) Multiplicative 
B) Inverse 
C) Subtractive 
D) Additive 
A) Multiplicative 
B) Inverse 
C) Subtractive 
D) Additive

Question 6

Two successive translations are commutative.

Accepted Answer

A) True 
 B)False

Question 7

The basic geometric transformations are

Accepted Answer

A) Translation 
B) Rotation 
C) Scaling 
D) All of the mentioned 
A) Translation 
B) Rotation 
C) Scaling 
D) All of the mentioned

Question 8

Which of the following represents shearing?

Accepted Answer

A) (x, y) ? (x+shx, y+shy) 
B) (x, y) ? (ax, by) 
C) (x, y) ? (x cos(?)+y sin(?), -x sin(?)+y cos(?)) 
D) (x, y) ? (x+shy, y+shx) 
A) (x, y) ? (x+shx, y+shy) 
B) (x, y) ? (ax, by) 
C) (x, y) ? (x cos(?)+y sin(?), -x sin(?)+y cos(?)) 
D) (x, y) ? (x+shy, y+shx)

Question 9

Positive values for the rotation angle ? defines

Accepted Answer

A) Counter clockwise rotations about the end points 
B) Counter clockwise translation about the pivot point 
C) Counter clockwise rotations about the pivot point 
D) Negative direction 
A) Counter clockwise rotations about the end points 
B) Counter clockwise translation about the pivot point 
C) Counter clockwise rotations about the pivot point 
D) Negative direction

Question 10

The original coordinates of the point in polar coordinates are

Accepted Answer

A) X'=r cos (? +?) and Y'=r cos (? +?) 
B) X'=r cos (? +?) and Y'=r sin (? +?) 
C) X'=r cos (? -?) and Y'=r cos (? -?) 
D) X'=r cos (? +?) and Y'=r sin (? -?) 
A) X'=r cos (? +?) and Y'=r cos (? +?) 
B) X'=r cos (? +?) and Y'=r sin (? +?) 
C) X'=r cos (? -?) and Y'=r cos (? -?) 
D) X'=r cos (? +?) and Y'=r sin (? -?)

Question 11

Rotation is simply---------object w.r.t origin or centre point.

Accepted Answer

A) Turn 
B) Shift 
C) Compression 
D) Drag element 
A) Turn 
B) Shift 
C) Compression 
D) Drag element

Question 12

Which coordinate system is a device-dependent coordinate system?

Accepted Answer

A) World Coordinate System 
B) Model Coordinate System 
C) User Coordinate System 
D) Screen Coordinate System 
A) World Coordinate System 
B) Model Coordinate System 
C) User Coordinate System 
D) Screen Coordinate System

Question 13

The window opened on the raster graphics screen in which the image will be displayed is called

Accepted Answer

A) World co-ordinate system 
B) Screen co-ordinate system 
C) World window 
D) Interface window 
A) World co-ordinate system 
B) Screen co-ordinate system 
C) World window 
D) Interface window

Question 14

In which type of projection, actual dimensions and angles of objects and therefore shapes cannot be preserved?

Accepted Answer

A) User Coordinate System 
B) World Coordinate System 
C) Screen Coordinate System 
D) None of the above 
A) User Coordinate System 
B) World Coordinate System 
C) Screen Coordinate System 
D) None of the above

Question 15

Which co-ordinates allow common vector operations such as translation, rotation, scaling and perspective projection to be represented as a matrix by which the vector is multiplied?

Accepted Answer

A) vector co-ordinates 
B) 3D co-ordinates 
C) affine co-ordinates 
D) homogenous co-ordinates 
A) vector co-ordinates 
B) 3D co-ordinates 
C) affine co-ordinates 
D) homogenous co-ordinates

Question 16

Transpose of a column matrix is

Accepted Answer

A) Zero matrix 
B) Identity matrix 
C) Row matrix 
D) Diagonal matrix 
A) Zero matrix 
B) Identity matrix 
C) Row matrix 
D) Diagonal matrix

Question 17

The objects transformed using the equation P'=S*P should be

Accepted Answer

A) Scaled 
B) Repositioned 
C) Both a and b 
D) Neither a nor b 
A) Scaled 
B) Repositioned 
C) Both a and b 
D) Neither a nor b

Question 18

Coordinate of ?ABCD is WCS are: lowermost corner A(2,2) & diagonal corner are C(8,6). W.r.t MCS. The coordinates of origin of WCS system are (5,4). If the axes of WCS are at 600 in CCW w.r.t. the axes of MCS. Find new vertices of point A in MCS.

Accepted Answer

A) (4.268, 6.732) 
B) (5.268, 6.732) 
C) (4.268, 4.732) 
D) (6.268, 4.732) 
A) (4.268, 6.732) 
B) (5.268, 6.732) 
C) (4.268, 4.732) 
D) (6.268, 4.732)

Question 19

From the following, which one will require 4 matrices to multiply to get the final position?

Accepted Answer

A) Rotation about the origin 
B) Rotation about an arbitrary Point 
C) Rotation about an arbitrary line 
D) Scaling about the origin 
A) Rotation about the origin 
B) Rotation about an arbitrary Point 
C) Rotation about an arbitrary line 
D) Scaling about the origin

Question 20

By changing the dimensions of the viewport, the and of the objects being displayed can be manipulated.

Accepted Answer

A) Number of pixels and image quality 
B) X co-ordinate and Y co-ordinate 
C) Size and proportions 
D) All of these 
A) Number of pixels and image quality 
B) X co-ordinate and Y co-ordinate 
C) Size and proportions 
D) All of these

The object space or the space in which the application model is defined is called

Reflection about the line y=0, the axis, is accomplished with the transformation matrix with how many elements as '0'?

In which type of projection, actual dimensions and angles of objects and therefore shapes cannot be preserved?

The translation distances (dx, dy) is called as

Two successive translations are

Two successive translations are commutative.

The basic geometric transformations are

Which of the following represents shearing?

Positive values for the rotation angle ? defines

The original coordinates of the point in polar coordinates are

Rotation is simply---------object w.r.t origin or centre point.

Which coordinate system is a device-dependent coordinate system?

The window opened on the raster graphics screen in which the image will be displayed is called

In which type of projection, actual dimensions and angles of objects and therefore shapes cannot be preserved?

Which co-ordinates allow common vector operations such as translation, rotation, scaling and perspective projection to be represented as a matrix by which the vector is multiplied?

Transpose of a column matrix is

The objects transformed using the equation P'=S*P should be

Coordinate of ?ABCD is WCS are: lowermost corner A(2,2) & diagonal corner are C(8,6). W.r.t MCS. The coordinates of origin of WCS system are (5,4). If the axes of WCS are at 600 in CCW w.r.t. the axes of MCS. Find new vertices of point A in MCS.

From the following, which one will require 4 matrices to multiply to get the final position?

By changing the dimensions of the viewport, the and of the objects being displayed can be manipulated.

Geometric Modeling

Finite Element Analysis (FEA)

Computer-Aided Design (CAD)

Advanced Manufacturing Method

Robotics and Automation

Filters

Exam 1: Computer Graphics

The object space or the space in which the application model is defined is called

Reflection about the line y=0, the axis, is accomplished with the transformation matrix with how many elements as '0'?

In which type of projection, actual dimensions and angles of objects and therefore shapes cannot be preserved?

The translation distances (dx, dy) is called as

Two successive translations are

Two successive translations are commutative.

The basic geometric transformations are

Which of the following represents shearing?

Positive values for the rotation angle ? defines

The original coordinates of the point in polar coordinates are

Rotation is simply---------object w.r.t origin or centre point.

Which coordinate system is a device-dependent coordinate system?

The window opened on the raster graphics screen in which the image will be displayed is called

In which type of projection, actual dimensions and angles of objects and therefore shapes cannot be preserved?

Which co-ordinates allow common vector operations such as translation, rotation, scaling and perspective projection to be represented as a matrix by which the vector is multiplied?

Transpose of a column matrix is

The objects transformed using the equation P'=S*P should be

Coordinate of ?ABCD is WCS are: lowermost corner A(2,2) & diagonal corner are C(8,6). W.r.t MCS. The coordinates of origin of WCS system are (5,4). If the axes of WCS are at 600 in CCW w.r.t. the axes of MCS. Find new vertices of point A in MCS.

From the following, which one will require 4 matrices to multiply to get the final position?

By changing the dimensions of the viewport, the and of the objects being displayed can be manipulated.

Geometric Modeling

Finite Element Analysis (FEA)

Computer-Aided Design (CAD)

Advanced Manufacturing Method

Robotics and Automation

Filters