MIS Chapter 6
Which of the following is an intelligent system that uses reasoning methods based on knowledge about a specific problem domain in order to provide advice, much like a human expert?
An expert system
Which of the following is the primary purpose of using a database?
To keep track of data
The enormous amount of data generated by organizations serves as the source for __________.
business intelligence
Which of the following business intelligence systems would best provide the required information?
A decision support system
__________ delivers a comprehensive and accurate graphical overview of key performance indicators, often using a single screen.
A digital dashboard
__________ describe(s) data collections that are characterized by huge volume, rapid velocity, and great variety.
Big Data
__________ is the process of grouping related records together on the basis of having similar values for attributes, thus finding structure in the data
Clustering
__________ is a type of intelligence gathering that searches for patterns, trends, or rules that are hidden in the data, so as to develop predictive models.
Data mining
Which of the following is true of digital dashboards?
Digital dashboards display the key performance indicators and other summary information used by managers and executives to make decisions.
Which of the following best describes business intelligence?
The use of information systems to gather and analyze data and information from internal and external sources in order to make better business decisions
Which of the following statements is true of relational database management systems (RDBMSes)?
RDBMSes are not easily scalable in response to peaks in demand.
Which of the following is the programming language most commonly used to interface with RDBMSes?
Structured Query Language (SQL)
Records of sales transactions are what type of data?
Structured data
Sales order processing and reservation systems are examples of what type of a system?
An operational system
_________ allows expert system rules to be represented using approximations or subjective values in order to handle situations where information about a problem is incomplete.
Fuzzy logic
Which of the following is true of geographic information systems?
Geographic information systems are systems for creating, storing, analyzing, and managing geographically referenced information.
Which of the following best describes fuzzy logic?
It allows expert system rules to be represented using approximations or subjective values in order to handle situations where information about a problem is incomplete.
Which of the following is an accurate statement about an RDBMS?
It attempts to balance efficiency of storage needs, ease of retrieval, and other factors by storing data in tables linked via relationships.
Which of the following best describes predictive analysis?
It helps in foreseeing what will be.
Which of the following is true of a query?
It is a request executed to retrieve data from a database.
Which of the following best describes a decision support system?
It is a special-purpose information system designed to support organizational decision making related to a particular recurring problem.
__________ is the process of quickly conducting complex, multidimensional analyses of data stored in a database that is optimized for retrieval, typically using graphical software tools.
Online analytical processing (OLAP)
A data warehouse differs from a data mart in that __________.
a data warehouse integrates multiple large databases and other information sources into a single repository
A __________ is a central data repository containing information drawn from multiple sources that can be used for analysis, intelligence gathering, and strategic planning
data warehouse
A __________ is software with which you create, store, organize, and retrieve data from a single database or several databases.
database management system
