CHAPTER 4 (ACCOUNTING INFORMATION
SYSTEMS)QUESTIONS AND ANSWERS
Database - CORRECT ANSWER✅✅✅a collection of related data for various uses
Hierarchical data models - CORRECT ANSWER✅✅✅organize data into a tree-like
structure that allows repeated information using defined parent/child relationships
Network data model - CORRECT ANSWER✅✅✅a flexible model representing objects and
their relationships. Forms a lattice structure (big net)
Relational data model - CORRECT ANSWER✅✅✅a data model that stores information in
the form of related two-dimensional tables
Flexibility and scalability - CORRECT ANSWER✅✅✅can handle changes quickly and
easily
Simplicity - CORRECT ANSWER✅✅✅simple model that is easy to communicate to both
database and users and database developers
Reduced information redundancy - CORRECT ANSWER✅✅✅requires each piece of data
to be recorded only in one place, eliminating the need for information to be stored in multiple
places in the organization
Database management system (DBMS) - CORRECT ANSWER✅✅✅a computer program
that creates, modifies, and queries the database
Data dicitionary - CORRECT ANSWER✅✅✅describes the data fields in each database
record such as field description, field length, field type, etc.
Database administrator - CORRECT ANSWER✅✅✅responsible for the design,
implementation, repair, and security of a firm's database
SYSTEMS)QUESTIONS AND ANSWERS
Database - CORRECT ANSWER✅✅✅a collection of related data for various uses
Hierarchical data models - CORRECT ANSWER✅✅✅organize data into a tree-like
structure that allows repeated information using defined parent/child relationships
Network data model - CORRECT ANSWER✅✅✅a flexible model representing objects and
their relationships. Forms a lattice structure (big net)
Relational data model - CORRECT ANSWER✅✅✅a data model that stores information in
the form of related two-dimensional tables
Flexibility and scalability - CORRECT ANSWER✅✅✅can handle changes quickly and
easily
Simplicity - CORRECT ANSWER✅✅✅simple model that is easy to communicate to both
database and users and database developers
Reduced information redundancy - CORRECT ANSWER✅✅✅requires each piece of data
to be recorded only in one place, eliminating the need for information to be stored in multiple
places in the organization
Database management system (DBMS) - CORRECT ANSWER✅✅✅a computer program
that creates, modifies, and queries the database
Data dicitionary - CORRECT ANSWER✅✅✅describes the data fields in each database
record such as field description, field length, field type, etc.
Database administrator - CORRECT ANSWER✅✅✅responsible for the design,
implementation, repair, and security of a firm's database
