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DRIVE Summer 2017
PROGRAM BSc IT
SEMESTER SIXTH
SUBJECT CODE & NAME BT9301, Computer
Graphics
1
What are the benefits of interactive graphics?
Answer: Interactive Graphics involves a two way
communication between computer and user. Here the observer is given some
control over the image by providing him with an input
2
Explain Raster Display System with Peripheral Display Processor.
Answer: Raster Scan
Display is based on the television technology. In raster scan, the electron
beam is swept across screen in which one row at a time from top to bottom and
the
3
Explain the process of Video Mixing.
Answer: Video
editing is both an Artistic and Technical process in which a collection of
video material (footage) is compiled and altered from its original form to
create a new version.
The
4
Mention the basic Concepts in Line Drawing.
Answer: Let’s take
a look at this image. One thing to note here is that it is impossible to draw
the true line that we want because of the pixel spacing. Putting it in other
words, there's no
5
Explain Two dimensional transformations.
Answer: Transformation
means changing some graphics into something else by applying rules. We can have
various types of transformations such as translation, scaling up or down,
rotation, shearing, etc. When a transformation takes place on a 2D
6
Explain Incremental Algorithm for line drawing.
Answer: Simple
incremental algorithm is well-known also look like DDA (Digital Differential
Analyzer) algorithm. The pricnip of this algorithm is based on periodical
increase dx for co-
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