User Interface and Prototyping Questions

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21.

Which of the following option is correct ?

A

The prototyping model facilitates the reusability of components.

B

RAD Model facilitates reusability of components

C

Both RAD & Prototyping Model facilitates reusability of components

D

None

Correct Answer: C

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22.

Which of the following models doesn't necessitate defining requirements at the earliest in the lifecycle ?

A

RAD & Waterfall

B

Prototyping & Waterfall

C

Spiral & Prototyping

D

Spiral & RAD

Correct Answer: C

In the Prototyping model, the first phase is the requirement analysis phase, which involves Brainstorming, QFD, and FAST, whereas the Spiral model encompasses customer communication activities such as defining objectives.

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23.

When the user participation isn't involved, which of the following models will not result in the desired output?

A

Prototyping & Waterfall

B

Prototyping & RAD

C

Prototyping & Spiral

D

RAD & Spiral

Correct Answer: B

The Prototyping model necessitates user participation as when a prototype is created or designed, whereas, in the case of RAD, user participation is required in all four phases.

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24.

Which of the following model will be preferred by a company that is planning to deploy an advanced version of the existing software in the market ?

A

Spiral

B

Iterative Enhancement

C

Iterative Enhancement

D

Both (b) and (c)

Correct Answer: D

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25.

Arrange the following activities for making a software product by utilizing 4GT.I. Design strategyII. Transformation into productIII. ImplementationIV. Requirement gathering

A

4, 1, 3, 2

B

4, 3, 2, 1

C

1, 2, 3, 4

D

1, 4, 2, 3

Correct Answer: A

The sequence of activities mentioned in option c represents the Fourth Generation Techniques(4GT) Model.

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26.

Which of the following is an example of Black Box and Functional Processing?

A

First Generation Language

B

Second Generation Language

C

Third Generation Language

D

Fourth Generation Language

Correct Answer: D

Functional processing or testing is commonly known as black-box testing, where the existing contents are almost unknown, so anything could be demonstrated as a black box. Hence the functionality of a black box can be defined in terms of inputs and outputs.

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27.

Which of the following model has a major downfall to a software development life cycle in terms of the coding phase ?

A

4GT Model

B

Waterfall Model

C

RAD Model

D

Spiral Model

Correct Answer: A

Much more expertise is needed in the 4GT model for analyzing, designing, and testing activities as it eliminates the coding phase.

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28.

Software maintenance costs are expensive in contrast to software development.

A

True

B

False

C

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Explanation : For systems with long life, software maintenance cost is higher than that of the software development cost.

D

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Explanation : For systems with long life, software maintenance cost is higher than that of the software development cost.

Correct Answer: A

For systems with long life, software maintenance cost is higher than that of the software development cost.