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PUNJAB TECHNICAL UNIVERSITY MCA - III (SEM 5) SEP 2010 : Computer Graphics

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Roll No. ...................... Total No. of Questions : 13] [Total No. of Pages : 02 Paper ID [A0521] (Please fill this Paper ID in OMR Sheet) MCA (501) (S05) (O) (LE) (Sem. - 5th) COMPUTER GRAPHICS Time : 03 Hours Maximum Marks : 75 Instruction to Candidates: 1) Section - A is Compulsory. 2) Attempt any Nine questions from Section - B. Q1) Section - A a) (15 2 = 30) What is meant by the resolution of an image? Find the resolution of a 2x2 inch image that has 512x512 pixels. b) What is an image s aspect ratio? Find the aspect ratio of an image with the dimensions, height-2 inch, width-3 inch. c) Explain the term frame buffer. d) Describe persistence and pitch of a color CRT. e) Show that R *R =R + where R and R are the rotation matrices with angle and respectively. f) Discuss about 8-way symmetry of a circle. g) Define world co-ordinate system and view co-ordinate system. h) Differentiate between translation and rotation. i) If we translate point p(2,3) by using translate vector (tx, ty), where tx = 3 and ty = 5, what will be the new position of point P? j) Give the difference between sealing and shearing. k) Define Orthographic and oblique parallel projections. l) What is meant by vanishing point? m) Write briefly about Rendering. n) Why are hidden-surface algorithms needed? o) Define depth buffer. B-7004 P.T.O.

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Additional Info : Mca - III (sem 5) September 2010 Question Paper - Computer Graphics
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