Exam 12: Systems Planning and Development

SDLC stands for systems development life cycle.

While the ____________________ is a powerful methodology for systems development,organizations are sometimes forced to take shortcuts,skipping a step here or there.

____ are the functions that the system is expected to fulfill and the features through which it will perform its tasks.

A(n)____________________ uses only four symbols: external entities,processes,data stores,and the direction in which data flows.

____________________ 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.

____________________ is a graphical standard for visualizing,specifying,and documenting software.

List the steps included in IT planning.

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

While DFDs are easy to learn and use,they have shortcomings-like any diagramming method-and cannot describe a system completely.

In ____,the old system is used along with the new system for a predetermined period of time.

____________________ comprises three steps: a description of the components and how they will work,construction,and testing.

The objective of a larger ____ is to determine whether the proposed system is feasible technically,economically,and operationally.

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

An important part of an organization's overall mission statement is a(n)____ that is compatible with the larger mission.

Much of what IT professionals do is ____,rather than analysis and development of a stand-alone IS.

Legal systems are older systems that organizations decide to continue to use because the investment in a new system would not justify the improved features or because the old systems have some advantage that cannot be obtained from newer systems.

The implementation of a new IS,also called ____,consists of two steps: conversion and training.

The systems analysis phase is a three-step process.

A(n)____ is an activity that the system executes in response to a user.

Usually,members of the original ad hoc team are included in an augmented analysis team to conduct feasibility studies.