Question 1

Computers can do many different jobs because they are

Accepted Answer

A)   programmable.
B)   reliable.
C)   automated.
D)   electronic.E) None of the above
F) B) and C)

Question 2

Compiled byte code is also called source code.

Accepted Answer

A) True 
 B)False

Question 3

Whereas ________ is centered on creating procedures, ________ is centered on creating objects.

Accepted Answer

A)   procedural programming, object-oriented programming
B)   object-oriented programming, procedural programming.
C)   routine programming, method programming,
D)   procedural programming, class programming.,E) C) and D)
F) B) and D)

Question 4

Encapsulation refers to the combining of data and code into a single object.

Accepted Answer

A) True 
 B)False

Question 5

________ is a cross between human language and a programming language.

Accepted Answer

A)   The compiler
B)   Pseudocode
C)   The Java Virtual Machine
D)   JavaE) A) and B)
F) A) and C)

Question 6

What is syntax?

Accepted Answer

A)   Rules that must be followed when writing a program.
B)   Words that have a special meaning in the programming language.
C)   Symbols or words that perform operations.
D)   Words or names defined by the programmer.E) A) and B)
F) B) and C)

Question 7

A solid-state drive has no moving parts and operates faster than a traditional disk drive.

Accepted Answer

A) True 
 B)False

Question 8

Java source files end with the .class extension.

Accepted Answer

A) True 
 B)False

Question 9

________ are used to indicate the end of a Java statement.

Accepted Answer

A)   Periods
B)   Asterisks
C)   Semicolons
D)   ColonsE) A) and D)
F) A) and C)

Question 10

Which of the following commands will run the compiled Java program named ReadIt?

Accepted Answer

A)   run ReadIt
B)   java ReadIt.java
C)   java ReadIt
D)   go ReadItE) A) and D)
F) None of the above

Question 11

Byte code instructions are

Accepted Answer

A)   machine code instructions.
B)   syntax errors.
C)   read and interpreted by the JVM.
D)   another name for source code.E) A) and C)
F) All of the above

Question 12

RAM is usually

Accepted Answer

A)   an input/output device.
B)   a volatile type of memory, used only for temporary storage.
C)   secondary storage.
D)   a static type of memory, used for permanent storage.E) A) and C)
F) A) and D)

Question 13

How many bits are in a byte?

Accepted Answer

A)   4
B)   8
C)   16
D)   32E) B) and D)
F) A) and B)

Question 14

Suppose you are at an operating system command line, and you are going to use the following command to compile a program: 
javac MyClass.java
Before entering the command, you must

Accepted Answer

A)   close all other Windows on your computer system.
B)   make sure you are in the same directory or folder where the MyClass.java file is located.
C)   execute the java.sun.com program.
D)   save the program with the .comp extension.E) All of the above
F) A) and C)

Question 15

A(n)  ________ is a software entity that contains data and procedures.

Accepted Answer

A)   object
B)   program
C)   class
D)   methodE) A) and B)
F) A) and C)

Question 16

An object typically hides it data, but allows outside code to access

Accepted Answer

A)   the pseudocode.
B)   the methods that operate on the data.
C)   private data members.
D)   the data files.E) None of the above
F) C) and D)

Question 17

Key words are

Accepted Answer

A)   symbols or words that perform operations on one or more operands.
B)   words or names defined by the programmer.
C)   the data names in your program.
D)   words that have a special meaning in the programming language.E) B) and D)
F) B) and C)

Question 18

Each byte is assigned a unique number known as an address.

Accepted Answer

A) True 
 B)False

Question 19

________ refers to the physical components that a computer is made of.

Accepted Answer

A)   Input
B)   Main memory
C)   Control unit
D)   HardwareE) A) and B)
F) A) and C)

Question 20

Application software refers to programs that make the computer useful to the user.

Accepted Answer

A) True 
 B)False

Exam 1: Introduction to Computers and Java

Key words are

Correct AnswerverifiedShow Answer

A solid-state drive has no moving parts and operates faster than a traditional disk drive.

Correct AnswerverifiedShow Answer

A(n) ________ is a software entity that contains data and procedures.

Correct AnswerverifiedShow Answer

An object typically hides it data, but allows outside code to access

Correct AnswerverifiedShow Answer

Byte code instructions are

Correct AnswerverifiedShow Answer

Whereas ________ is centered on creating procedures, ________ is centered on creating objects.

Correct AnswerverifiedShow Answer

Computers can do many different jobs because they are

Correct AnswerverifiedShow Answer

Suppose you are at an operating system command line, and you are going to use the following command to compile a program: javac MyClass.java Before entering the command, you must

Correct AnswerverifiedShow Answer

Each byte is assigned a unique number known as an address.

Correct AnswerverifiedShow Answer

________ are used to indicate the end of a Java statement.

Correct AnswerverifiedShow Answer

Which of the following commands will run the compiled Java program named ReadIt?

Correct AnswerverifiedShow Answer

What is syntax?

Correct AnswerverifiedShow Answer

Encapsulation refers to the combining of data and code into a single object.

Correct AnswerverifiedShow Answer

Compiled byte code is also called source code.

Correct AnswerverifiedShow Answer

How many bits are in a byte?

Correct AnswerverifiedShow Answer

Application software refers to programs that make the computer useful to the user.

Correct AnswerverifiedShow Answer

________ is a cross between human language and a programming language.

Correct AnswerverifiedShow Answer

RAM is usually

Correct AnswerverifiedShow Answer

Java source files end with the .class extension.

Correct AnswerverifiedShow Answer

________ refers to the physical components that a computer is made of.

Correct AnswerverifiedShow Answer

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Whereas is centered on creating procedures, is centered on creating objects.

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