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PROGRAM-BCA (REVISED FALL
2012)
SEMESTER-5
SUBJECT CODE & NAME-BCA5042–
Graphics and Multimedia Systems
CREDIT-4
BK ID-B1552
MAX. MARKS-60
Qus:1 What are the
advantages of interactive graphics?
Answer:
The advantages of interactive graphics:
·
Today, a high quality graphics display of personal
computer provide one of the most natural means of communication with a
computer.
·
It provides tools for
Qus:2 What is a digitizer?
Explain.
Answer:
Digitizer is a device used to convert an image into a series of dots
that can be read, stored and manipulated by the computer. It converts analog or
physical input into digital images. Significance of digitizers is carrying out
important work in computer-aided design, graphics design and engineering. They
also help convert hand-drawn images into textures and animation in video games
and movie CGI. Modern
Qus:3 Write
a note on 3D viewing.
Answer:
3D viewing:
Viewing a scene in 3D is much more complicated than 2D viewing, where in
the latter the viewing plane on which a scene is projected from WCs is
basically the screen, except for its dimensions. In 3D, we can choose different
viewing planes, directions to view from and positions to view from. We also
have a choice in how
Q4. Explain different
types of coherence. Explain any three.
Answer.
Types of coherence:
1. Object Coherence
2. Face Coherence
3.
Q5. What is multimedia?
Explain briefly the uses of multimedia.
Answer.
Multimedia:
Multimedia
refers to content that uses a combination of different content forms. This
contrasts with media that use only rudimentary computer displays such as
text-only or traditional forms of printed or hand-produced
Q6. Explain the
following
(a) Full animation
(b) Limited animation
(c) Rotoscoping
Answer:
a) Full animation:
Full animation refers
to the process of producing high-quality traditionally animated films, which
regularly use detailed drawings and possible movement. Fully animated films can
be done in a variety of styles, from
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