Question 1

Which of the following statements is false?

Accepted Answer

A)  Apple, founded in 1976 by Steve Jobs and Steve Wozniak, quickly became a leader in personal computing. 
B)  The Objective-C programming language, created by Brad Cox and Tom Love at Stepstone in the early 1980s, added capabilities for object-oriented programming (OOP) to the C programming language. 
C)  Apple's macOS operating system is a descendant of Microsoft Windows. 
D)  Apple's proprietary operating system, iOS, is derived from Apple's macOS and is used in the iPhone, iPad, iPod Touch, Apple Watch and Apple TV devices. 
A)  Apple, founded in 1976 by Steve Jobs and Steve Wozniak, quickly became a leader in personal computing. 
B)  The Objective-C programming language, created by Brad Cox and Tom Love at Stepstone in the early 1980s, added capabilities for object-oriented programming (OOP) to the C programming language. 
C)  Apple's macOS operating system is a descendant of Microsoft Windows. 
D)  Apple's proprietary operating system, iOS, is derived from Apple's macOS and is used in the iPhone, iPad, iPod Touch, Apple Watch and Apple TV devices.

Question 2

Which of the following statements is false?

Accepted Answer

A)  Computers can perform calculations and make logical decisions phenomenally faster than human beings can. 
B)  Supercomputers are already performing thousands of trillions (quadrillions) of instructions per second. 
C)  Unfortunately, silicon is expensive, so it has made computing more costly. 
D)  Computers process data under the control of sequences of instructions called computer programs. 
A)  Computers can perform calculations and make logical decisions phenomenally faster than human beings can. 
B)  Supercomputers are already performing thousands of trillions (quadrillions) of instructions per second. 
C)  Unfortunately, silicon is expensive, so it has made computing more costly. 
D)  Computers process data under the control of sequences of instructions called computer programs.

Question 3

Which of the following is not a key organization in the open-source community?

Accepted Answer

A)  Apache. 
B)  Mozilla. 
C)  Firefox. 
D)  Eclipse. 
A)  Apache. 
B)  Mozilla. 
C)  Firefox. 
D)  Eclipse.

Question 4

________ is a communications protocol used to send information over the web.

Accepted Answer

A)  HyperText Markup Language (HTML). 
B)  URL (Uniform Resource Locator). 
C)  Web 2.0 
D)  TCP/IP 
A)  HyperText Markup Language (HTML). 
B)  URL (Uniform Resource Locator). 
C)  Web 2.0 
D)  TCP/IP

Question 5

Which of the following statements is false?

Accepted Answer

A)  An object's attributes are specified as part of the object's class. 
B)  A bank-account object would likely have a balance attribute that represents the amount of money in the account. 
C)  Each bank-account object knows the balance in the account it represents, but not the balances of the other accounts in the bank. 
D)  Attributes are specified by the class's methods. 
A)  An object's attributes are specified as part of the object's class. 
B)  A bank-account object would likely have a balance attribute that represents the amount of money in the account. 
C)  Each bank-account object knows the balance in the account it represents, but not the balances of the other accounts in the bank. 
D)  Attributes are specified by the class's methods.

Question 6

Which of the following is most closely associated with Moore's Law?

Accepted Answer

A)  Every year or two, the price of computers has approximately doubled. 
B)  Object-oriented programming uses less memory than previous software-development methodologies. 
C)  Demand for communications bandwidth is decreasing dramatically each year. 
D)  Every year or two, the capacities of computers have approximately doubled without any increase in price. 
A)  Every year or two, the price of computers has approximately doubled. 
B)  Object-oriented programming uses less memory than previous software-development methodologies. 
C)  Demand for communications bandwidth is decreasing dramatically each year. 
D)  Every year or two, the capacities of computers have approximately doubled without any increase in price.

Question 7

Which of the following statements is true?

Accepted Answer

A)  The Internet is just a network of computers. 
B)  The internet is now an Internet of Things. 
C)  Each thing in the Internet of things is an object with an IP address. 
D)  Each thing in the Internet of Things must have the ability to send data automatically over a network. 
A)  The Internet is just a network of computers. 
B)  The internet is now an Internet of Things. 
C)  Each thing in the Internet of things is an object with an IP address. 
D)  Each thing in the Internet of Things must have the ability to send data automatically over a network.

Question 8

Which of the following statements is false?

Accepted Answer

A)  The command window in Windows is called a Command Prompt. 
B)  The command window in OS X is called a Terminal. 
C)  The command window in Linux is called the shell. 
D)  All of the above are true. 
A)  The command window in Windows is called a Command Prompt. 
B)  The command window in OS X is called a Terminal. 
C)  The command window in Linux is called the shell. 
D)  All of the above are true.

Question 9

________ involves reworking programs to make them clearer and easier to maintain while preserving their correctness and functionality.

Accepted Answer

A)  Object-oriented programming 
B)  Refactoring 
C)  Agile software development 
D)  LAMP 
A)  Object-oriented programming 
B)  Refactoring 
C)  Agile software development 
D)  LAMP

Question 10

Which of the following statements is false?

Accepted Answer

A)  The ARPANET is the precursor to today's Internet. 
B)  Today's fastest Internet speeds are on the order of trillionsof bits per second with quadrillion-bit-per-second speeds on the horizon. 
C)  Although the ARPANET enabled researchers to network their computers, its main benefit proved to be the capability for quick and easy communication via what came to be known as electronic mail (e-mail). 
D)  The protocol (set of rules) for communicating over the ARPANET became known as the Transmission Control Protocol (TCP). TCP ensured that messages, consisting of sequentially numbered pieces called packets, were properly routed from sender to receiver, arrived intact and were assembled in the correct order. 
A)  The ARPANET is the precursor to today's Internet. 
B)  Today's fastest Internet speeds are on the order of trillionsof bits per second with quadrillion-bit-per-second speeds on the horizon. 
C)  Although the ARPANET enabled researchers to network their computers, its main benefit proved to be the capability for quick and easy communication via what came to be known as electronic mail (e-mail). 
D)  The protocol (set of rules) for communicating over the ARPANET became known as the Transmission Control Protocol (TCP). TCP ensured that messages, consisting of sequentially numbered pieces called packets, were properly routed from sender to receiver, arrived intact and were assembled in the correct order.

Question 11

Which of the following data items are arranged from the smallest to the largest in the data hierarchy.

Accepted Answer

A)  records, characters, fields, bits, files. 
B)  bits, files, fields, records, characters. 
C)  fields, characters, bits, files, records. 
D)  bits, characters, fields, records, files. 
A)  records, characters, fields, bits, files. 
B)  bits, files, fields, records, characters. 
C)  fields, characters, bits, files, records. 
D)  bits, characters, fields, records, files.

Question 12

Which of the following statements is false?

Accepted Answer

A)  Operating systems are software systems that make using computers more convenient for users, application developers and system administrators. 
B)  Operating systems provide services that allow each application to execute safely, efficiently and concurrently (i.e., in parallel) with other applications. 
C)  Popular desktop operating systems include Linux and Windows. 
D)  Popular mobile operating systems used in smartphones and/or tablets include Google's Android, Apple's iOS (for its iPhone, iPad and iPod Touch devices), Windows Phone 8 and Mac OS X. 
A)  Operating systems are software systems that make using computers more convenient for users, application developers and system administrators. 
B)  Operating systems provide services that allow each application to execute safely, efficiently and concurrently (i.e., in parallel) with other applications. 
C)  Popular desktop operating systems include Linux and Windows. 
D)  Popular mobile operating systems used in smartphones and/or tablets include Google's Android, Apple's iOS (for its iPhone, iPad and iPod Touch devices), Windows Phone 8 and Mac OS X.

Question 13

To run the Painter application, we used the java command, followed by the name of the application's ________ file. (in this case Painter).

Accepted Answer

A)  .java 
B)  .class 
C)  .exe 
D)  .obj 
A)  .java 
B)  .class 
C)  .exe 
D)  .obj

Question 14

A huge variety of networking hardware and software appeared. One challenge was to enable these different networks to communicate with each other. ARPA accomplished this by developing the ________, which created a true "network of networks," the current architecture of the Internet.

Accepted Answer

A)  Web Protocol (WP) 
B)  ARPA Protocol (AP) 
C)  Internet Protocol (IP) 
D)  Newrok Protocol (NP) 
A)  Web Protocol (WP) 
B)  ARPA Protocol (AP) 
C)  Internet Protocol (IP) 
D)  Newrok Protocol (NP)

Question 15

Which of the following statements is true?

Accepted Answer

A)  Performing a task in a program requires a method. 
B)  A method houses the program statements that actually perform its tasks. 
C)  The method hides its statements from its user, just as the accelerator pedal of a car hides from the driver the mechanisms of making the car go faster. 
D)  All of the above. 
A)  Performing a task in a program requires a method. 
B)  A method houses the program statements that actually perform its tasks. 
C)  The method hides its statements from its user, just as the accelerator pedal of a car hides from the driver the mechanisms of making the car go faster. 
D)  All of the above.

Question 16

Which of the following statements about Java Class Libraries is false:

Accepted Answer

A)  Java class libraries consist of classes that consist of methods that perform tasks. 
B)  Java class libraries are also known as Java APIs (Application Programming Interfaces). 
C)  An advantage of using Java class libraries is saving the effort of designing, developing and testing new classes. 
D)  Java class libraries are not portable 
A)  Java class libraries consist of classes that consist of methods that perform tasks. 
B)  Java class libraries are also known as Java APIs (Application Programming Interfaces). 
C)  An advantage of using Java class libraries is saving the effort of designing, developing and testing new classes. 
D)  Java class libraries are not portable

Question 17

Which of the following is not one of the three general types of computer languages?

Accepted Answer

A)  Machine languages. 
B)  Assembly languages. 
C)  High-Level languages. 
D)  Spoken languages. 
A)  Machine languages. 
B)  Assembly languages. 
C)  High-Level languages. 
D)  Spoken languages.

Question 18

Which language was developed by Microsoft in the early 1990s to simplify the development of Windows applications?

Accepted Answer

A)  Visual C#. 
B)  Python. 
C)  Objective-C. 
D)  Visual Basic. 
A)  Visual C#. 
B)  Python. 
C)  Objective-C. 
D)  Visual Basic.

Question 19

To change to the completed application's directory, we opened a command window and used the ________ command to change to the directory (also called a folder) for the Painter application.

Accepted Answer

A)  chge 
B)  cdir 
C)  cd 
D)  changeDirectory 
A)  chge 
B)  cdir 
C)  cd 
D)  changeDirectory

Question 20

Which of the following languages is used primarily for scientific and engineering applications?

Accepted Answer

A)  Fortran. 
B)  COBOL. 
C)  Pascal. 
D)  Basic. 
A)  Fortran. 
B)  COBOL. 
C)  Pascal. 
D)  Basic.

Exam 1: Introduction to Computers, the Internet and Java

Which of the following statements is false?

Which of the following statements is false?

Which of the following is not a key organization in the open-source community?

________ is a communications protocol used to send information over the web.

Which of the following statements is false?

Which of the following is most closely associated with Moore's Law?

Which of the following statements is true?

Which of the following statements is false?

________ involves reworking programs to make them clearer and easier to maintain while preserving their correctness and functionality.

Which of the following statements is false?

Which of the following data items are arranged from the smallest to the largest in the data hierarchy.

Which of the following statements is false?

To run the Painter application, we used the java command, followed by the name of the application's ________ file. (in this case Painter).

A huge variety of networking hardware and software appeared. One challenge was to enable these different networks to communicate with each other. ARPA accomplished this by developing the ________, which created a true "network of networks," the current architecture of the Internet.

Which of the following statements is true?

Which of the following statements about Java Class Libraries is false:

Which of the following is not one of the three general types of computer languages?

Which language was developed by Microsoft in the early 1990s to simplify the development of Windows applications?

To change to the completed application's directory, we opened a command window and used the ________ command to change to the directory (also called a folder) for the Painter application.

Which of the following languages is used primarily for scientific and engineering applications?

Introduction to Java Applications; Inputoutput and Operators

Introduction to Classes, Objects, Methods and Strings

Control Statements: Assignment, and Operators

Control Statements: Logical Operators

Methods: a Deeper Look

Arrays and Arraylists

Classes and Objects: a Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism and Interfaces

Exception Handling: a Deeper Look

Javafx Graphical User Interfaces

Javafx Gui

Strings, Characters and Regular Expressions

Files, Inputoutput Streams, Nio and Xml Serialization

Generic Collections

Lambdas and Streams

Recursion

Searching, Sorting and Big O

Generic Classes and Methods: a Deeper Look

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

Swing Gui Components

Graphics and Java 2d

Networking

Java Persistence Api Jpa

Javaserver Faces Web Apps

Javaserver Faces Web Apps

Swing Gui Components

Filters