Question 1

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 2

Which of the following is not one of the six logical units of a computer?

Accepted Answer

A)  Input unit. 
B)  Output unit. 
C)  Central processing unit. 
D)  Printer. 
A)  Input unit. 
B)  Output unit. 
C)  Central processing unit. 
D)  Printer.

Question 3

________ 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 4

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 5

The .class extension on a file means that the file:

Accepted Answer

A)  Contains java source code 
B)  Contains HTML 
C)  is produced by the Java compiler (javac). 
D)  None of the above. 
A)  Contains java source code 
B)  Contains HTML 
C)  is produced by the Java compiler (javac). 
D)  None of the above.

Question 6

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 7

Which of the following statements is false?

Accepted Answer

A)  Each class can be used only once to build many objects. 
B)  Reuse helps you build more reliable and effective systems, because existing classes and components often have undergone extensive testing, debugging and performance tuning. 
C)  Just as the notion of interchangeable parts was crucial to the Industrial Revolution, reusable classes are crucial to the software revolution that has been spurred by object technology. 
D)  Avoid reinventing the wheel-use existing high-quality pieces wherever possible. This software reuse is a key benefit of object-oriented programming. 
A)  Each class can be used only once to build many objects. 
B)  Reuse helps you build more reliable and effective systems, because existing classes and components often have undergone extensive testing, debugging and performance tuning. 
C)  Just as the notion of interchangeable parts was crucial to the Industrial Revolution, reusable classes are crucial to the software revolution that has been spurred by object technology. 
D)  Avoid reinventing the wheel-use existing high-quality pieces wherever possible. This software reuse is a key benefit of object-oriented programming.

Question 8

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 9

________ models software in terms similar to those that people use to describe real-world objects.

Accepted Answer

A)  Object-oriented programming 
B)  Object-oriented design 
C)  Procedural programming 
D)  None of the above 
A)  Object-oriented programming 
B)  Object-oriented design 
C)  Procedural programming 
D)  None of the above

Question 10

Which of the following statements is false?

Accepted Answer

A)  A quadrillion-instruction-per-section computer can perform in one second more than 100,000 instructions for every person on the planet. 
B)  Today's key programming methodology is object-oriented programming. 
C)  The vast majority of the microprocessors produced each year are used in general-purpose computers. 
D)  Computers process data under the control of sets of instructions called computer programs.. 
A)  A quadrillion-instruction-per-section computer can perform in one second more than 100,000 instructions for every person on the planet. 
B)  Today's key programming methodology is object-oriented programming. 
C)  The vast majority of the microprocessors produced each year are used in general-purpose computers. 
D)  Computers process data under the control of sets of instructions called computer programs..

Question 11

A new class of objects can be created conveniently by ________; the new class (called the ________) starts with the characteristics of an existing class (called the ________), possibly customizing them and adding unique characteristicsof its own.

Accepted Answer

A)  inheritance, superclass, subclass. 
B)  composition, subclass, superclass 
C)  inheritance, subclass, superclass 
D)  composition, superclass, subclass 
A)  inheritance, superclass, subclass. 
B)  composition, subclass, superclass 
C)  inheritance, subclass, superclass 
D)  composition, superclass, subclass

Question 12

6.1 Q1 Which of the following statements is false?

Accepted Answer

A)  The concepts of icons, menus and windows were originally developed by Xerox PARC. 
B)  Windows is an open source operating system. 
C)  The software that contains the core components of the operating system is called the kernel. 
D)  Linux source code is available to the public for examination and modification. 
A)  The concepts of icons, menus and windows were originally developed by Xerox PARC. 
B)  Windows is an open source operating system. 
C)  The software that contains the core components of the operating system is called the kernel. 
D)  Linux source code is available to the public for examination and modification.

Question 13

Which of the following statements is false?

Accepted Answer

A)  Android-the fastest-growing mobile and smartphone operating system-is based on the Windows kernel and uses Java. 
B)  Android is open source and free. 
C)  Android smartphones include the functionality of a mobile phone, Internet client (for web browsing and Internet communication), MP3 player, gaming console, digital camera and more. 
D)  Android handheld devices feature full-color multitouch screens which allow you to control the device with gestures involving one touch or multiple simultaneous touches. 
A)  Android-the fastest-growing mobile and smartphone operating system-is based on the Windows kernel and uses Java. 
B)  Android is open source and free. 
C)  Android smartphones include the functionality of a mobile phone, Internet client (for web browsing and Internet communication), MP3 player, gaming console, digital camera and more. 
D)  Android handheld devices feature full-color multitouch screens which allow you to control the device with gestures involving one touch or multiple simultaneous touches.

Question 14

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

Accepted Answer

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

Question 15

Which of the following statements is true?

Accepted Answer

A)  Interpreted programs run faster than compiled programs. 
B)  Compilers translate high-level language programs into machine language programs. 
C)  Interpreter programs typically use machine language as input. 
D)  None of the above. 
A)  Interpreted programs run faster than compiled programs. 
B)  Compilers translate high-level language programs into machine language programs. 
C)  Interpreter programs typically use machine language as input. 
D)  None of the above.

Question 16

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 17

Which of the following statements is false?

Accepted Answer

A)  Object-oriented programming is today's key programming methodology. 
B)  Java has become the language of choice for implementing Internet-based applications and software for devices that communicate over a network. 
C)  Software commands computer hardware to perform tasks. 
D)  In use today are more than a trillion general-purpose computers and trillions more Java-enabled cellphones, smartphones and other handheld devices. 
A)  Object-oriented programming is today's key programming methodology. 
B)  Java has become the language of choice for implementing Internet-based applications and software for devices that communicate over a network. 
C)  Software commands computer hardware to perform tasks. 
D)  In use today are more than a trillion general-purpose computers and trillions more Java-enabled cellphones, smartphones and other handheld devices.

Question 18

Which statement is false?

Accepted Answer

A)  Classes are reusable software components. 
B)  A class is to an object as a blueprint is to a house. 
C)  Performing a task in a program requires a method. 
D)  A class is an instance of its object. 
A)  Classes are reusable software components. 
B)  A class is to an object as a blueprint is to a house. 
C)  Performing a task in a program requires a method. 
D)  A class is an instance of its object.

Question 19

Which software product release category is "generally feature complete and supposedly bug free, and ready for use by the community?"

Accepted Answer

A)  Alpha. 
B)  Beta. 
C)  Release candidate. 
D)  Continuous beta. 
A)  Alpha. 
B)  Beta. 
C)  Release candidate. 
D)  Continuous beta.

Question 20

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

Accepted Answer

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

Exam 1: Introduction to Computers and Java

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

Which of the following is not one of the six logical units of a computer?

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

Which of the following statements is false?

The .class extension on a file means that the file:

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

Which of the following statements is false?

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.

________ models software in terms similar to those that people use to describe real-world objects.

Which of the following statements is false?

A new class of objects can be created conveniently by ________; the new class (called the ________) starts with the characteristics of an existing class (called the ________), possibly customizing them and adding unique characteristicsof its own.

6.1 Q1 Which of the following statements is false?

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 .class file (in this case, Painter.

Which of the following statements is true?

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

Which of the following statements is false?

Which statement is false?

Which software product release category is "generally feature complete and supposedly bug free, and ready for use by the community?"

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

Introduction to Java Applications

Control Statements

Control Statements

Methods

Arrays and Arraylists

Introduction to Classes and Objects

Classes and Objects: a Deeper Look

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Gui Components

Graphics and Java 2D

Fundamentals of Characters and Strings

Files, Streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

GUI

Concurrency

Accessing Databases With JDBC

JavaFX

Filters

A new class of objects can be created conveniently by ; the new class (called the ) starts with the characteristics of an existing class (called the ), possibly customizing them and adding unique characteristicsof its own.