- IT professionals recognize that successful systems must be user-oriented, and users need to be
involved, formally or informally, at every stage of system development.
Ans: True - The database and the Internet speak the same language.
Ans: False - An evaluation model is a technique that uses a common yardstick to measure and
compare vendor ratings
Ans: True - Tools make it easier to build an information system, thereby boosting IT productivity
and improving the quality of the finished product.
Ans: True - Using flowcharts, programmers can break large systems into subsystems that are easier
to understand and code.
Ans: True - In an efficient design, data is re entered at least two times.
Ans: False - A main advantage of ERP is that it describes a specific hardware and software
environment, also called a platform, which ensures connectivity and easy integration of
future systems, including in-house software and commercial packages
Ans: True - Today’s mobile devices have enough computing power to provide processing “at the
edge,” which means at the end of a network, in the user’s hands.
Ans: True - Internal and external factors affect every business decision that a company makes, and
IT systems are no exception.
Ans: True - Using a work breakdown structure (WBS) allows one to manage a project as one large
task.
Ans: False - When network traffic is encrypted, it is invisible and its content and purpose are
masked.
Ans: False - A use case represents the steps in a specific business function or process.
Ans: True - In the systems design phase, a logical model is built that describes how the system will
be constructed.
Ans: False - _ is a systems development technique that produces a graphical
representation of a
concept or process that systems developers can analyze, test, and modify.
Ans: Modeling - Structured application development usually involves a(n) _, which
proceeds from a general design to a detailed structure.
Ans: Top-down approach - If processes must be performed in a specific sequence, the information should
be documented in the _.
Ans: Process descriptions - _ is the amount of data that can be transferred in a fixed time period.
Ans: Bandwidth - A(n) _ produces one or more lines of output for each record processed.
Ans: Detail report - The first step in managing IT security is to develop a _ based on
confidentiality, integrity, and availability.
Ans: Security policy - A common tool for showing the distribution of a questionnaire or sampling
results is a vertical bar chart called a _.
Ans: Histogram - A software package developed to handle information requirements for a specific type of business is called a(n) _.
Ans: Vertical application - Which is an example of a discretionary project?
Ans: Creating a new report for a user - A _ is a set of letters or numbers that represents a data item.
Ans: Code - An object’s _ are the tasks or functions that the object performs when it
receives a command to do so.
Ans: Methods - A _ consists of horizontal bars, connected with arrows that indicate task
dependencies.
Ans: Gantt chart
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