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Department of Computer Application
Computer Graphics
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Question 1 : Procedures for determining visibility of objectedges are referred as
Option-1 :parallel projection .
Option-2 :wire frame visibility method .
Option-3 :perspective projection
Option-4 :all
Question 2 : Back face detection is
Option-1 :identifying the back face of a polyhedron .
Option-2 :comparing surface depths at each pixcl posn.
Option-3 :all polygon surface intersecting the scan line are examined
Option-4 :surfaces are scan converted in order ,starting with the surface of greatest depth .
Question 3 : Depth cueing is
Option-1 :parallel lines in the world -coordinate scene project into parallel lines on the 2 D display plane .
Option-2 :projecting points to the display plane along converging pashs .
Option-3 :varying the intersity of objects according to their distance from the viewing position
Question 4 : Parallel projection is
Option-1 :parallel lines in the world -coordinate scene project into parallel lines on the 2 D display plane .
Option-2 :projecting points to the display plane along converging paths .
Option-3 :varying the intersity of objects according to their distance from the viewing position
Question 5 : Perspective projection is
Option-1 :parallel lines in the world -coordinate scene project into parallel lines on the 2 D display plane .
Option-2 :projecting points to the display plane along converging pashs .
Option-3 :varying the intersity of objects according to their distance from the viewing position
Question 6 : Routines for processing structures .
Option-1 :control and process the data flow from the interactive devices .
Option-2 :clearing a display screen ,initializing parameters .
Option-3 :create ,modify and transform structures .
Question 7 : Viewing transformation is
Option-1 :changing the size position ,erientation of an object within a scene
Option-2 :constructing a secne using object descriptions given in modelling coordinates
Option-3 :specifying the view that is to ne presented and portion to be displayed
Question 8 : Pictures are subdivided into component parts named
Option-1 :structures
Option-2 :routines
Option-3 :blocks
Option-4 :all
Question 9 : Input functions are used to
Option-1 :control and process the data flow from the interactive devices .
Option-2 :clearing a display screen ,initializing parameters .
Option-3 :create ,modify and transform structures .
Question 10 : Control oprations are used to
Option-1 :control and process the data flow from the interactive devices .
Option-2 :clearing a display screen ,initializing parameters .
Option-3 :create ,modify and transform structures .
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