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Match the following : GATE-2014(1)

by Pritam on 29 Sep 2015

Match the following :

(1) Waterfall model a) Specifications can be developed
 
(2) Evolutionary model (b) Requirements compromises are inevitable
 
(3) Component based software (c) Explicit recognition of risk
(4) Spiral development (d) Inflexible partitioning of the project into stages
 

(A) 1-a, 2-b, 3-c, 4-d                 (B) 1-d, 2-a, 3-b, 4-c
(C) 1-d, 2-b, 3-a, 4-c                 (D) 1-c, 2-a, 3-b, 4-d

ANSWER : ()

EXPLANATION :
The main drawback of the waterfall model is the difficulty of accommodating change after the process is underway. One phase has to be complete before moving onto the next phase. Inflexible partitioning of the project into distinct stages in waterfall model makes it difficult to respond to changing customer requirements.
Evolutionary software models are iterative. They are characterized in manner that enables the software engineers to develop increasingly more complete version of software.
In Spiral model, Development can be divided in to smaller parts and more risky parts can be developed earlier which helps better risk management.
 

1Comment
umakr's picture

(B)

Explanation:

Waterfall Model: We can not go back in previous project phase as soon as as we proceed to next phase ,So inflexible
Evolutionary: It keeps changing with evolution so incremental in nature
Component based: Reuse-based approach to defining, implementing and composing loosely coupled independent components into systems
Spiral: Spiral model is the most advanced .It includes four faces one of which is Risk.

Phases: Planning, Risk Analysis, Engineering and Evaluation

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