Deck 3: Information Systems and Software Development Models

Question 1

When data changes in multiple lists and all lists are not updated, this causes

A)Data redundancy
B)Data inconsistency
C)Duplicate data
D)Information overload

Answer 1

Data inconsistency

Question 2

An application where only one user accesses the database at a given time is an example of a(n)___

A)Single-user database application
B)Multiuser database application
C)E-commerce database application
D)Data mining database application

Answer 2

Single-user database application

Question 3

Databases overall structure is maintained in a file called

A)Control file
B)Data file
C)Redolog file
D)None of these

Answer 3

Redolog file

Question 4

A tuple is a

A)row of a table
B)key of a table
C)column of a table
D)two-dimensional table

Question 5

The following are components of a database except _____

A)reports
B)indexes
C)metadata
D)user data

Question 6

In an E-R diagram double rectangle represents _______?

A)Entity class
B)Weak entity
C)Relationship
D)Attribute

Question 7

In an E-R diagram an ellipse represents________?

A)Weak entity
B)Relationship
C)Attribute
D)Entity class

Question 8

In an E-R diagram a relationship is represented by________?

A)Ellipse
B)Rectangle
C)Rectangle with rounded corners
D)Diamond

Question 9

An attribute which consists of a group of attributes is called ______?

A)Composite attributes
B)Multi-valued attributes
C)Composite identifiers
D)Identifiers

Question 10

Which is not included in the definition of an entity?

A)Person
B)Object
C)Concept
D)Action

Question 11

Which is not an example of a strong entity type?

A)Course
B)Department
C)Student_Id
D)Student

Question 12

A meaningful association between entity types is _______?

A)Relationship type
B)Entity identifier
C)Relationship instance
D)Associative entity

Question 13

An example of a multi-valued attribute might be ______?

A)Student_Address
B)College_Degree
C)Student_GPA
D)ID_Number

Question 14

An information system that supports the planning and assessment needs of executive management is

A)DSS
B)TPS
C)MIS
D)None of the above

Question 15

Managers who are potential users of the MIS

A)Describe information needs
B)Identify alternate equipment configurations
C)Evaluate alternate equipment configurations
D)Select the optimum equipment configurations

Question 16

Which one of the following is not a business driver for an information system?

A)business process redesign
B)knowledge asset management
C)proliferation of networks and the Internet
D)security and privacy