Exam 12: Systems Planning and Development

The systematic approach of the SDLC is recommended if the system is complex and consists of many modules.

___________consists of post-implementation debugging and updating (making changes and additions),including adding features that were originally desired but later postponed so budget and time limits could be met.

When a system is developed by a software vendor for a wide market rather than for a specific client,conversion often takes place at___________ .

After the planning phase,the SDLC includes four major phases: analysis,design,implementation,and___________ .

How is parallel conversion implemented?

While data flow diagrams are easy to learn and use,they cannot describe a system completely.

The ___________approach assumes that the life of an IS starts with a need,followed by an assessment of the functions that a system must have to fulfill that need,and ends when the benefits of the system no longer outweigh its maintenance costs.

___________make extensive use of iterative programming,involving users often,and keeping programmers open to modifications while the development is still under way.

What does a technical feasibility study entail?

___________is a calculation of the difference between the stream of benefits and the stream of costs over the life of the system,discounted by the applicable interest rate.

A challenge during the support phase of a system's life cycle is___________ .

A small ad hoc team usually performs a quick preliminary investigation to determine the need for a new system.

The development of a new information system is economically justified if the ___________.

A(n)___________ diagram is used to describe the flow of data in a business operation.

___________is an umbrella term referring to the general tone of the corporate environment.

It is often considered simple to integrate disparate legacy systems of several companies.

Although the ultimate mission of any organization is to survive and-if it is a for­profit organization-to produce profit for its owners, ___________are rarely limited to these points.

___________is meant to guarantee that the experts have passed tests that ensure their skills.

Several diagramming sets were developed by the 1970s,but in the late-1990s,a de facto standard emerged:___________ .

Systems integration deals with the analysis and development of a stand-alone information system.