1) Studies have shown that what percentage of the cost of software is expended after initial...

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Question

1) Studies have shown that what percentage of the cost of software is expended after initial...

1) Studies have shown that what percentage of the cost of software is expended after initial delivery (i.e., during the maintenance phase)?

a. 10%

b. 30%

c. 50%

d. 70%

2) Of the following, which is the poorest way to determine whether we can trust a reusable component to be suitable in our application?

Answers:	a. The documentation provided by the developer
	b. An independent testing organization
	c. Feedback from other users
	d. Internal testing

engineering Computer-Science

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Answer 1

Answer #1

ANSWERS

1)

d) Software maintainance does not mean just error and bug fixes. Software does not usually go bad, it becomes outdated with time. Keeping a peice of software up to date with the current technologies takes around 70% of the softwares TCO

2)

c) Feedback from other users. Different users have different needs of reusing components, which does usually match with two users. Hence it is the most unreliable way to determine whether we can trust a reusable component to be suitable in our application?

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Answer 2

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