UGC-NET | UGC NET CS 2015 Jun – III | Question 17

Which of the following statement(s) is/are incorrect ?
(A) Mapping the co-ordinates of the points and lines that form the picture into the appropriate co-ordinates on the device or workstation is known as viewing transformation.
(B) The right-handed cartesian co-ordinates system in whose co-ordinates we describe the picture is known as world co-ordinate system.
(C) The co-ordinate system that corresponds to the device or workstation where the image is to be displayed is known as physical device co-ordinate system
(D) Left – handed co-ordinate system in which the display area of the virtual display device corresponds to the unit (|x|) square whose lower left-hand corner is at the origin of the co-ordinate system, is known as normalized device co-ordinate system.


Answer: (D)

Explanation:

  • Mapping the co-ordinates of the points and lines that form the picture into the appropriate co-ordinates on the device or workstation is known as viewing transformation.Correct
  • The right-handed cartesian co-ordinates system in whose co-ordinates we describe the picture is known as world co-ordinate system.Correct
  • The co-ordinate system that corresponds to the device or workstation where the image is to be displayed is known as physical device co-ordinate systemCorrect
  • Left – handed co-ordinate system in which the display area of the virtual display device corresponds to the unit (|x|) square whose lower left-hand corner is at the origin of the co-ordinate system, is known as normalized device co-ordinate system.Incorrect
  • So, option (D) is correct.

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