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K201 Lecture

People because they are in every information system used
According to your textbook, in the five-component framework of an information system, which is the most important?
Hardware
Software
Data
Procedures
People
Each Information System is comprised of five components. .
False
The number of components in the Five Component Model increases in proportion to an Information System’s complexity and/or size.
Data
A graph represents…
False
In order for data to be considered timely it must be delivered in real time.
False
Good data are always worth the cost, no matter how expensive
a relational database
Keeping track of data involving multiple themes such as employees, transactions, customers, supplies, etc. should be done with which of the following?
Metadata
The data displayed in Design View of a table in an Access database is an example of
False A Database is not just a group of tables, it also includes relationships among the rows in those tables and metadata
A database is simply a group of tables or files.
column
Field is referred to as
characters
Bytes is referred to as
File
Table is referred to as
Row
Records is referred to as
Three
How many primary functions does a database management system (DBMS) have?
SQL
Which of the following is an international standard language for processing a database?
False The lost-update problem is actually caused by multi-user database processing. Some type of locking must be used to coordinate activities among the multiple users.
The lost-update problem can be resolved by implementing multi-user database processing.
Personal DBMS
Microsoft Access belongs to which of the following DBMS categories?
Data Model
describes the data and relationships that will be stored in a database.
False
A normalized table should contain data with one and only one theme.
A table containing normalized data should have 3 or fewer themes.
Determine Requirements
Which phase of the SDLC is the most important phase?
Form the project team
If a defined project is determined to be feasible in the SDLC, the immediate next step is to
diseconomies of scale
The situation that occurs when adding more resources creates inefficiencies is known as
Business Intelligence (BI) Systems
Information systems that process operational, social, and other data to identify patterns, trends, and relationships for use by business professionals are known as
business intelligence
The patterns, trends, and relationships produced by these information systems are referred to as
False This is an example of push publishing because the report is executed automatically as a result of an event.
An inventory report set to run automatically when an item reaches a critical low point is an example of pull publishing.
Acquire Data
Which of the following is the first primary activity in the BI process?
False No matter how advanced a system is, the only safeguard against inaccurate analyses from inconsistent data is for the analyst and knowledge worker to realize inconsistencies are a common occurrence and to be on the lookout.
One of the main benefits of BI Analysis is that there are no discrepancies in the data acquired from multiple sources.
Purchased data often contains missing elements.
Which of the following statements is true about operational and purchased data?
True
Operational data is structured for fast and reliable transaction processing
Data Mart
a data collection that addresses a particular department or functional area of the business.
False
Data mart is another term used for a data warehouse
Data Warehouse
Takes data from the data manufacturers, cleans and processes the data, and then stores it.

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