Question 1

Which of the following statements is false?

Accepted Answer

A) Speaking to your computer is a form of input. 
B) Playing a video is an example of output. 
C) A multi-core processor implements several processors on a single integrated-circuit chip. 
D) Information in the memory unit is persistent-it is retained when the computer's power is turned off.

Question 2

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.

Question 3

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.

Question 4

Today,virtually all new major operating systems are written in:

Accepted Answer

A) Objective-C. 
B) C or C++. 
C) Visual C#. 
D) Ada.

Question 5

Class file (in this case,Painter.

Accepted Answer

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

Question 6

Which of the following statements is false?

Accepted Answer

A) The Ajax applications-development methodology enables you to rapidly develop powerful software applications by combining (often free)complementary web services and other forms of information feeds. 
B) One of the first mashups combined the real-estate listings provided by www.craigslist.org with the mapping capabilities of Google Maps to offer maps that showed the locations of homes for sale or rent in a given area. 
C) Twitter offers microblogging web services. 
D) Foursquare offers mobile check-in web services.

Question 7

________ 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

Question 8

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

Question 9

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..

Question 10

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.

Question 11

________ 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

Question 12

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

Question 13

Which of the following statements is false?

Accepted Answer

A) Classes (and their objects)encapsulate,i.e. ,encase,their attributes and methods. 
B) A class's (and its object's)attributes and methods are intimately related. 
C) For objects to communicate effectively with one another,each must know how the other object is implemented. 
D) Information hiding is crucial to good software engineering.

Question 14

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.

Question 15

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.

Question 16

________ 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

Question 17

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.

Question 18

________ helps Internet-based applications perform like desktop applications.

Accepted Answer

A) Ajax 
B) Blogging 
C) RSS 
D) Mashups

Question 19

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.

Question 20

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.

Exam 1: Introduction to Computers and Java

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

Today,virtually all new major operating systems are written in:

Class file (in this case,Painter.

Which of the following statements is false?

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

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.

Which of the following statements is false?

Which statement is false?

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

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 statements is false?

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

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

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

Which of the following statements is false?

________ helps Internet-based applications perform like desktop applications.

Class extension on a file means that the file:

Which of the following statements is false?

Exam 1: Introduction to Computers and Java

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

Today,virtually all new major operating systems are written in:

Class file (in this case,Painter.

Which of the following statements is false?

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

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.

Which of the following statements is false?

Which statement is false?

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

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 statements is false?

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

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

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

Which of the following statements is false?

________ helps Internet-based applications perform like desktop applications.

Class extension on a file means that the file:

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.