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QUESTION
(a) Suppose that you have been assigned to re-engineer the existing systems for a company. Do you think that design patterns can be applied to these existing systems? Justify your answer.
(b) What are three reasons that cause requirements to change?
(c) What are the three reasons for using design patterns?
(d) What makes a Pattern a Pattern?
(e) What does Alexander means by the following statement "But it is impossible to form anything which has the character of nature by adding preformed parts.
Define the term -Monitoring Chemical and nuclear plants (monitoring key parameters), hospitals (monitoring patient's vital signs), burglar alarms (monitoring for intruders) etc
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Cohen Sutherland line clipping algorithm The algorithm uses the following main steps Divide the entire plane into nine disjoint regions using the four window boundaries
1. Distinguish among Scan line polygon fill and Seed fill or Flood fill algorithm? Scan Line Polygon Flood Fill Algorithms ?1. This
What are the features found in CAD Features generally found in a CAD package involve: - 2D and 3D modelling - Wire frame - Library of parts that can be used in new dra
What is the use of control points? Spline curve can be specified by giving a set of coordinate positions known as control points, which shows the general shape of the curve, c
Global illumination model -polygon rendering This illumination model adds to the local model the light which is reflected from the other surfaces to the current surface. This
name some of the standard motion in key frames
Film Recorders - graphics hardware It is a graphical output device for transferring digital images to photographic films. The easiest film recorders classically work through
Introduction of Viewing Transformations Projection is fundamentally a transformation or mapping of 3D objects upon 2D screen. Projection is mostly categorised in Para
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