COSC FINAL PRACTICE EXAM
QUESTIONS AND ANSWERS ALL
CORRECT
These databases store not only data but also instructions to manipulate the data. -
Answer- object-oriented
In this database model, the fields or records are structured in nodes. - Answer-
Hierarchical
If Mr. Smith's bike has been sent to his new address, but the bill to his old one, it can
most likely be attributed to a lack of data _______. - Answer- integrity
This type of database is organized into many tables with common data items (key fields)
linking the tables to one another. - Answer- relational
The logical view of data focuses on meanings and content of the data. - Answer- true
Program objectives, desired outputs, needed inputs, and processing requirements are
all recorded in this. - Answer- program specification documents
This is testing a program by a select group of potential users. - Answer- beta testing
This type of software development focuses less on the procedures and more on
defining the relationships between previously defined procedures. - Answer- object-
oriented
Pseudocode graphically presents the detailed sequence of steps needed to solve a
programming problem. - Answer- false
A programming language uses symbols, words, and phrases to instruct a computer to
perform specific operations. - Answer- true
One of the items to be defined in the program specification is the program's objectives. -
Answer- true
Fifth-generation languages (5GLs) incorporate the concepts of which of the following? -
Answer- artificial intelligence
, Which view of data deals with how the data is actually formatted and located? - Answer-
physical view
If all the data in a database is not physically located in one place, it would be a(n)
_______ database. - Answer- distributed
Querying the database and generating reports is assisted by the application generation
subsystem. - Answer- false
The ATM works on the principle of real-time processing. - Answer- true
Data consists of only numbers, letters, and symbols. - Answer- false
A commercial database is generally an enormous database that an organization
develops to cover particular subjects. - Answer- true
The logical arrangement of data in a database is called the database model. - Answer-
true
Information collected by an organization from a variety of external and internal
databases is stored in this special type of database. - Answer- data warehouse
The company database may be stored on a central database server and managed by a
database administrator. - Answer- true
In this subsystem, a user can create data entry forms. - Answer- application generation
Which of the following is not an advantage of using a database? - Answer- reliability
Database tables can be related or connected to other tables by common key fields. -
Answer- true
This commercial database offers news and information on legal, public records, and
business issues. - Answer- LexisNexis
The database in which data elements are organized using classes, objects, attributes,
and methods is called the object-oriented database. - Answer- true
In the object-oriented database model, this term is the equivalent to a field in a relational
model. - Answer- attribute
In order to create, modify, and gain access to a database, special software, called the
database management system, is required. - Answer- true
QUESTIONS AND ANSWERS ALL
CORRECT
These databases store not only data but also instructions to manipulate the data. -
Answer- object-oriented
In this database model, the fields or records are structured in nodes. - Answer-
Hierarchical
If Mr. Smith's bike has been sent to his new address, but the bill to his old one, it can
most likely be attributed to a lack of data _______. - Answer- integrity
This type of database is organized into many tables with common data items (key fields)
linking the tables to one another. - Answer- relational
The logical view of data focuses on meanings and content of the data. - Answer- true
Program objectives, desired outputs, needed inputs, and processing requirements are
all recorded in this. - Answer- program specification documents
This is testing a program by a select group of potential users. - Answer- beta testing
This type of software development focuses less on the procedures and more on
defining the relationships between previously defined procedures. - Answer- object-
oriented
Pseudocode graphically presents the detailed sequence of steps needed to solve a
programming problem. - Answer- false
A programming language uses symbols, words, and phrases to instruct a computer to
perform specific operations. - Answer- true
One of the items to be defined in the program specification is the program's objectives. -
Answer- true
Fifth-generation languages (5GLs) incorporate the concepts of which of the following? -
Answer- artificial intelligence
, Which view of data deals with how the data is actually formatted and located? - Answer-
physical view
If all the data in a database is not physically located in one place, it would be a(n)
_______ database. - Answer- distributed
Querying the database and generating reports is assisted by the application generation
subsystem. - Answer- false
The ATM works on the principle of real-time processing. - Answer- true
Data consists of only numbers, letters, and symbols. - Answer- false
A commercial database is generally an enormous database that an organization
develops to cover particular subjects. - Answer- true
The logical arrangement of data in a database is called the database model. - Answer-
true
Information collected by an organization from a variety of external and internal
databases is stored in this special type of database. - Answer- data warehouse
The company database may be stored on a central database server and managed by a
database administrator. - Answer- true
In this subsystem, a user can create data entry forms. - Answer- application generation
Which of the following is not an advantage of using a database? - Answer- reliability
Database tables can be related or connected to other tables by common key fields. -
Answer- true
This commercial database offers news and information on legal, public records, and
business issues. - Answer- LexisNexis
The database in which data elements are organized using classes, objects, attributes,
and methods is called the object-oriented database. - Answer- true
In the object-oriented database model, this term is the equivalent to a field in a relational
model. - Answer- attribute
In order to create, modify, and gain access to a database, special software, called the
database management system, is required. - Answer- true
