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Boehm's Spiral Lifecycle Describe the concept and campare it the Waterfall model(4points) Name the four phase of the spiral cycle and explain them (4points) What

Boehm's Spiral Lifecycle

Describe the concept and campare it the Waterfall model(4points)
Name the four phase of the spiral cycle and explain them (4points)
What is understood by an "alpha-demo"? (2point)

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