DOEACC Society 2007 DOEACC A Level A10.3-R3 Computer Graphics - Question Paper

A10.3-R3: COMPUTER GRAPHICS
NOTE:
1. There are 2 PARTS in this Module/Paper. PART 1 contains 4 ques.
and PART 2 contains 5 ques..
2. PART 1 is to be answered in the TEAR-OFF ans SHEET only, attached to
the ques. paper, as per the instructions contained therein. PART 1 is NOT to
be answered in the ans book.
3. Maximum time allotted for PART 1 is 1 HOUR. ans book for PART TWO
will be supplied at the table when the ans sheet for PART 1 is returned.
However, candidates, who complete PART 1 earlier than 1 hour, can collect the
ans book for PART 2 immediately after handing over the ans sheet for
PART ONE.
TOTAL TIME: three HOURS TOTAL MARKS: 100
(PART 1 – 40; PART 2 – 60)
PART ONE
(Answer all the questions)
1. every ques. beneath provide a multiple option of answers. select the most
improper 1 and enter in the “tear-off” ans sheet attached to the ques.
paper, subsequent instructions therein. (1 x 10)
1.1 In Bresenham’s circle algorithm, we do not require
A) floating-point arithmetic
B) computation along the line to a pixel centre
C) multiplication or division
D) all of the above
1.2 The standard adopted by DVD and DTV is
A) JPEG
B) JPEG-2000
C) MPEG-1
D) MPEG-2
1.3 In the Cohen-Sutherland line clipping algorithm, “trivial reject” means
A) That the intersection is trivial to calculate.
B) That the boundaries on the visible side of the line are incomplete.
C) That the process of rejection is always trivial.
D) That the line is not visible when its end points are on the invisible side of a clipping
boundary.
1.4 The limitation of MIDI are:
A) It is device dependent
B) It has only a few channels
C) It is difficult to configure large MIDI networks
D) All of the above
1.5 Hypermedia
A) is a different media like graphics, text etc.
B) provides link ranging from 2 media
C) is a facility to permit 2 media to be played together
D) is a different name of multimedia
A10.3-R3 Page one of five January, 2007
1.6 The transformation wherein the object is 1st rotated about x-axis and then about y-axis
is
A) instant
B) rotation
C) shearing
D) tilting
1.7 The perspective transformation ranging from object and image can be
A) a linear three x three transformation
B) a linear four x four transformation
C) a nonlinear three x three transformation
D) a nonlinear four x four transformation
1.8 A touch screen is recommended for
A) pressure-sensitive drawing and painting
B) projects that track users
C) program involving public input and simple tasks
D) day-to-day computer work

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