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Legacy Systems Overview

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Questions and Answers

What defines a legacy system?

Software developed using the latest methods

Software that is still under development

Software inherited from previous developers (correct)

Software that is new but not useful

Which is a typical problem associated with legacy systems?

Usage of up-to-date development methods

Frequent system upgrades

Extensive documentation

Unavailability of original developers (correct)

What can make further evolution and development of legacy systems expensive?

Up-to-date documentation

Outdated development methods

Availability of original developers

Extensive patches and modifications (correct)

What causes a system to become legacy according to the text?

Lack of system suitability Signup and view all the answers

What does 'system suitability' refer to in the context of legacy systems?

Software meeting the organization's requirements Signup and view all the answers

What is a common reason for problems regarding system suitability?

Unwillingness to face change for political, financial, and cultural reasons Signup and view all the answers

What is an example of a legacy effect mentioned in the text?

Decline in user satisfaction Signup and view all the answers

Why is quality of written software important in system maintenance?

To ensure flexibility and readability during maintenance Signup and view all the answers

What is a potential challenge of manual implementation of methodologies according to the text?

Loss of traceability and consistency Signup and view all the answers

How does change management quality impact system evolution?

It assures quality while evolving the system Signup and view all the answers

What factor does not contribute to legacy effects on systems?

Introduction of new technology Signup and view all the answers