AND ANSWERS GRADED A+
✔✔Your new software project manager is OK with requirements that are not fully
specified up front. He recommends a team-based approach to development. He is very
likely to be a proponent of the _______ approach to software development. - ✔✔agile
✔✔In the context of data-flow diagrams (DFDs), the _____ includes arrows that show
the direction of data movement. - ✔✔Data flow line
✔✔A _____ is a description of the logical and physical structure of data and the
relationships among the data for each user. - ✔✔schema
✔✔The goals of _____ are to determine the work load at which systems performance
begins to degrade and to identify and eliminate any issues that prevent the system from
reaching its required system-level performance. - ✔✔volume testing
✔✔Phil has been working on a new version of his company's best-selling sales
management software and now he'd like to ask several co-workers and a handful of the
existing version's top users to perform an acceptance test. Phil is preparing for
_________.
- ✔✔alpha testing
✔✔After the software is implemented, some modification is done on the software during
maintenance. Suppose the customer data analysis software used by ABC Bank was
significantly changed, but no new features were added. This type of maintenance is
called a _______. - ✔✔release
✔✔_____ determines whether the expected benefits associated with a project outweigh
the expected costs sufficiently to make the project financially attractive. - ✔✔Economic
feasibility
✔✔You are part of the team to implement new software at XYZ Inc. The employees at
XYZ Inc. trust the results of the old software programs, but are cautious about accepting
the outcomes of the proposed new software programs. What software implementation
strategy would you recommend in this situation? - ✔✔parallel start up
✔✔Once new software has been selected, implementation will include all of these tasks
EXCEPT _________. - ✔✔consulting with stakeholders to establish future needs
✔✔Laura is carefully estimating the time required for each phase of a proposed system
development project to see if her company can meet the client's desired time for
completion. Laura is checking on ___________. - ✔✔schedule feasibility
, ✔✔A new _____ is a major program change, typically encompassing many new
features. - ✔✔version
✔✔The process of switching from an old information system to a replacement system is
called _____. - ✔✔cutover
✔✔_____ creates a complete set of technical specifications that can be used to
construct an information system. - ✔✔system design
✔✔_____ is an iterative system development process that develops a system in "sprint"
increments lasting from two weeks to two months. - ✔✔Agile development
✔✔_____ involves running a complete new system for one group of users rather than
all users. - ✔✔Pilot start-up
✔✔Tara and Zach are leading a systems development project and they want the
investigation phase to go smoothly and quickly. They decide to use _____ because it
will also help with the analysis and design phases. - ✔✔joint application development
✔✔_____ requires unbiased and careful questioning of whether system elements are
related in the most effective ways, considering new or different relationships among
system elements, and possibly introducing new elements into the system. - ✔✔Critical
analysis
✔✔Barium, Inc., ran a regression on the last 12 months data of selling expenses. The
selling expenses vary according to the number of orders placed by customers.
Following data is available after regression analysis of selling expenses:
Intercept$2,842 (rounded to the nearest dollar)X variable 15.68 (rounded to the nearest
cent)
Barium wants to estimate the selling cost for the coming year and expects 4,800
customer orders. Determine the estimated total selling costs for the coming year.
(Round your answer to the nearest whole number.)
a.$34,104
b.$61,368
c.$45,946
d.$70,802 - ✔✔d. $61,368
Selling cost for the year = (12 months × $2,842) + ($5.68 × 4,800 orders) = $34,104 +
$27,264 = $61,368
✔✔The controller for Cadmium Company ran regression on the 10 months data of
machining costs and the number of hours spent on machining. The coefficients shown
by the regression program are: