Deck 1: Introduction

Question 1

What is an example of a typical instruction in a computer program?

A)Add up two numbers.
B)Lay out a term paper.
C)Drive a car.
D)Display a fancy font.

Answer 1

Add up two numbers.

Question 2

Which statement is true about running a Java program on a different CPU?

A)You need different Java source code for each CPU.
B)You can take code that has been generated by the Java compiler and run it on different CPUs.
C)You need to compile the Java program for each CPU.
D)You cannot run the program on a different CPU because Java, being a high-level programming language, is machine dependent.

Answer 2

You can take code that has been generated by the Java compiler and run it on different CPUs.

Question 3

Which statement best describes a computer program?

A)A program is a sequence of comments.
B)A program can decide what task it is to perform.
C)A program is a sequence of instructions and decisions that the computer carries out.
D)A program can only perform one simple task.

Answer 3

A program is a sequence of instructions and decisions that the computer carries out.

Question 4

Which statement regarding computer programs is correct?

A)Computer programs can decide what task to perform.
B)Large and complex computer programs are generally written by only one programmer.
C)Computer programs are composed of extremely primitive operations.
D)Small computer programs are not documented.

Question 5

Where must program instructions and data reside in order for the CPU to directly read and execute them?

A)memory
B)bus
C)hard disk
D)somewhere on the computer network

Question 6

What is the term used to refer to Java code that runs in a browser?

A)applet
B)script
C)html
D)class

Question 7

Some computers are self-contained units; others are interconnected through what?

A)bus
B)networks
C)peripheral devices
D)power lines

Question 8

Which type of secondary storage consists of rotating platters coated with a magnetic material?

A)hard disk
B)solid state drive
C)compact disk (CD)
D)memory

Question 9

Which one of the following memory types provides storage that persists without electricity?

A)primary storage
B)RAM
C)memory
D)secondary storage

Question 10

What tool translates high-level instructions into low level machine code?

A)debugger
B)assembler
C)compiler
D)linker

Question 11

Which memory type does not provide persistent storage?

A)secondary storage
B)hard disk
C)primary storage
D)DVD

Question 12

What tool translates Java source code into files that contain instructions for the Java Virtual Machine?

A)linker
B)compiler
C)assembler
D)interpreter

Question 13

What term is used to refer to languages that allow programmers to describe tasks at a higher conceptual level than machine code?

A)virtual
B)high-level
C)sophisticated
D)conceptual

Question 14

What term is used to refer to the computer instructions that are executed by a CPU?

A)virtual machine
B)machine code
C)high-level code
D)instruction set

Question 15

What does CPU stand for?

A)Computer Programming Unit
B)Computer Processing Unit
C)Central Processing Unit
D)Central Programming Unit

Question 16

Which one of the following memory types provides storage that is slower and less expensive?

A)primary storage
B)secondary storage
C)peripheral device
D)the transistor

Question 17

What is the Java Virtual Machine?

A)A CPU that runs compiled Java code.
B)A library that makes it possible to write portable programs.
C)A program that simulates a real CPU running compiled Java code.
D)A program that translates Java code into machine instructions.

Question 18

Which one of the following is NOT a function of a CPU?

A)Performing arithmetic operations
B)Processing data and controlling programs
C)Querying a database
D)Fetching and storing data from storage and input devices

Question 19

Which type of storage is made from electronic circuits that can store data?

A)compact disk (CD)
B)hard disk
C)primary storage
D)secondary storage

Question 20

Which is an example of a peripheral device?

A)the CPU
B)primary storage
C)motherboard
D)speakers

Question 21

The line public class HelloPrinter indicates which declaration below?

A)Declaration of the variable class.
B)Declaration of the class HelloPrinter.
C)Declaration of the variable public.
D)Declaration of the class public.

Question 22

What is the argument in the given method call?
System.out.println("Welcome");

A)out
B)println
C)"Welcome"
D)System

Question 23

Arguments supplied to methods are enclosed by which symbols?

A)()
B)" "
C){}
D)//

Question 24

Which statement best describes the portability characteristic of Java?

A)The same already-compiled Java programs will run on Windows, UNIX, Linux, or Macintosh operating systems without any change.
B)The same Java compiler can be used on many operating systems.
C)There are only small

Question 25

Assuming the programmer wishes to display "Hello!" on the screen, which statement is true about the following Java code fragment:
System.out.println("Helo!");

A)There is a run-time error.
B)There are no errors.
C)There is a compile-time error.
D)There are multiple errors.

Question 26

What term is used to refer to values supplied to a method that are needed to carry out its task?

A)class
B)object
C)argument
D)comment

Question 27

Whenever a method is called in Java, what must be specified?

A)program name, method name
B)strings, method name
C)method name, arguments
D)the main method, arguments

Question 28

No matter which Java development environment you use, what happens to the Java source code in order for a Java program to execute?

A)The source code is automatically separated into many files.
B)The source code is backed up to a network storage facility.
C)A Java compiler converts all uppercase letters to lowercase.
D)A Java compiler translates the source code into class files.

Question 29

Suppose that a computer virus infects your computer and corrupts the files you were going to submit for your current homework assignment.What precaution could have saved you from a disastrously bad grade for this assignment?

A)Defragment the hard drive.
B)Purchase an anti-virus program to remove the virus from your computer.
C)Make regular backups of all your important files.
D)Purchase an extended warranty for your computer.

Question 30

Every Java program consists of one or more of these fundamental building blocks.

A)class
B)CPU
C)applet
D)parameter

Question 31

A __________ contains sequences of programming instructions that describe how to perform a particular task.

A)parameter
B)label
C)variable
D)method

Question 32

Why should you set aside time to become familiar with the programming environment?

A)The time you spend will prevent data loss without the need for backups.
B)The tools needed for Java programming are different from other software.
C)Although computer systems vary widely, the Java programming environment is always the same.
D)The Java libraries are detailed and extensive.

Question 33

What is the output of the following Java statement?
System.out.println(4 + 6);

A)4 + 6
B)4
C)10
D)46

Question 34

Which statement is true about the following Java code fragment:
System.out.println("Hello!);

A)There is a run-time error.
B)There are no errors.
C)There is a compile-time error.
D)There are multiple errors.

Question 35

What is the name of the file that contains the Java source code for the public class HelloPrinter?

A)HelloPrinter
B)HelloPrinter.java
C)HelloPrinter.class
D)HelloPrinter.txt

Question 36

What term is used to refer to a sequence of characters enclosed in quotation marks?

A)string
B)object
C)comment
D)variable

Question 37

What is the name of the method in the given method call?
System.out.println("Welcome");

A)"Welcome"
B)System
C)println
D)out

Question 38

When was Java officially introduced?

A)1991
B)1995
C)2000
D)2005

Question 39

What is the syntax for calling the println method on the object System.out?

A)println("Any message").System.out;
B)System.out("Any message").println;
C)System.out.println("Any message");
D)println(System.out,"Any message");

Question 40

What is the output of the following Java statement?
System.out.println("4 + 6");

A)10
B)46
C)4
D)4 + 6

Question 41

A sequence of steps that can be carried out in practice is ______________.

A)unambiguous
B)terminating
C)executable
D)documented

Question 42

The error message "cannot find symbol" is usually a good clue that what kind of error has been made?

A)logic
B)spelling
C)run-time
D)division by zero

Question 43

Assuming the programmer wishes to output the phrase "Welcome!", Which statement is true about the following Java statement:
System.out.println("Welcome!");

A)There are no errors.
B)There is a run-time error.
C)There are multiple errors.
D)There is a compile-time error.

Question 44

What is the term used to describe an error detected by the compiler that is a violation of the programming language rules?

A)logic error
B)compile-time error
C)run-time error
D)typo

Question 45

Who or what is responsible for inspecting and testing the program to guard against logic errors?

A)JVM
B)programmer
C)end-user
D)compiler

Question 46

Assume that the following Java statement is contained in the main method of the class named Hello:
System.out.printLine("Hello!");
What is the name of the file generated by the Java compiler?

A)Hello.java
B)Hello
C)No file is generated due to an error.
D)Hello.class

Question 47

Other than compile-time error, what is another term used to describe an error detected by the compiler that is a violation of the programming language rules?

A)typo
B)logic error
C)syntax error
D)run-time error

Question 48

Other than run-time error, what is another term used to describe an error causing a program to take an action that the programmer did not intend?

A)syntax error
B)logic error
C)mistake
D)compile-time error

Question 49

If you get a sequence of error messages from the compiler that are increasingly off track, you should

A)check for division by zero
B)restructure your code to make it more readable
C)check for spelling, capitalization, or missing quotation marks
D)include more of your code within themain method

Question 50

A sequence of steps that contains precise instructions for what to do at each step and where to go next is ______________.

A)unambiguous
B)terminating
C)executable
D)documented

Question 51

Assuming the programmer wishes to output the phrase "Welcome!", which of the following is true about the following Java statement.
System.out.Println("Wlcome!");

A)There are no errors.
B)There is a compile-time error.
C)There is a run-time error.
D)There are multiple errors.

Question 52

Assuming the programmer wishes to display "Hello!" on the screen, which statement is true about the following Java code fragment:
System.out.printn("Helo!");

A)There is a run-time error.
B)There are no errors.
C)There is a compile-time error.
D)There are multiple errors.

Question 53

A sequence of steps that eventually comes to an end is ______________.

A)unambiguous
B)terminating
C)executable
D)documented

Question 54

Which statement is true about the following Java statement:
System.out.Println("Welcome!");

A)There are multiple errors.
B)There are no errors.
C)There is a run-time error.
D)There is a compile-time error.

Question 55

What is a logic error?

A)A violation of the rules of the computer language.
B)A missing main method.
C)A program that is syntactically correct but does not do what it is supposed to do.
D)An error that is so severe that it generates an exception.

Question 56

Assuming the programmer wishes to display "Hello!" on the screen, which statement is true about the following Java code fragment:
System.out.println("Hello!");

A)There is a run-time error.
B)There are no errors.
C)There is a compile-time error.
D)There are multiple errors.

Question 57

Which statement is true about the compilation process?

A)The compiler will generate CPU specific instructions even if it detects an error.
B)The compiler will generate Java virtual machine instructions even if it detects an error.
C)The compiler will stop compiling when it finds the first error.
D)The compiler will continue compiling after it finds an error.

Question 58

Assuming the programmer wishes to output the phrase "Hello!", which of the following is true about the following Java statement:
System.out.println("Welcme!");

A)There are multiple errors.
B)There is a run-time error.
C)There are no errors.
D)There is a compile-time error.

Question 59

What is the term used to describe an error causing a program to take an action that the programmer did not intend?

A)typo
B)run-time error
C)compile-time error
D)syntax error

Question 60

Assume that the main method of the class named Welcome does not contain any compile-time errors.What is the name of the file generated by the Java compiler?

A)Welcome.class
B)Welcome.java
C)No additional file is generated.
D)Welcome

Question 61

A sequence of steps is terminating when ___________________________

A)there are precise instructions for what to do at each step and where to go next.
B)it will eventually come to an end.
C)it can be documented.
D)it can be carried out in practice.

Question 62

Evaluate the given pseudocode to calculate the weighted score for a student: What is the final output?

A)89.20
B)89.80
C)87.80
D)92.20

Question 63

A sequence of steps is executable when ___________________________

A)it will eventually come to an end.
B)it can be carried out in practice.
C)it is documented.
D)there are precise instructions for what to do at each step and where to go next.

Question 64

Evaluate the given pseudocode to calculate the weighted score for a student: What is the final output?

A)89.20
B)87.80
C)89.80
D)92.20

Question 65

What is the purpose of the following algorithm?

A)To search for a particular number among 15 numbers.
B)To find the largest among 15 numbers.
C)To print out the 15 numbers.
D)To find the smallest among 15 numbers.

Question 66

Evaluate the given pseudocode to calculate the payment (pmt) with the following test values: What is the final output?

A)540
B)580
C)500
D)600

Question 67

Evaluate the given pseudocode to calculate the payment (pmt) with the following test values: What is the final output?

A)960
B)840
C)240
D)720

Question 68

What term is used to refer to an informal description of a sequence of steps for solving a problem?

A)assembly language instructions
B)pseudocode
C)machine instructions for a specific CPU
D)Java virtual machine instructions

Question 69

Which of the following options is true about algorithms?

A)Algorithms are described informally and can contain ambiguous steps.
B)Algorithms are written in a programming language.
C)Algorithms can replace the source code in programs.
D)You must create an algorithm for a problem before you can create a program to solve the problem.

Question 70

A sequence of steps is unambiguous when

A)it will eventually come to an end.
B)it is clearly documented.
C)it can be carried out in practice.
D)there are precise instructions for what to do at each step and where to go next.

Question 71

Evaluate the given pseudocode to calculate the efficiency of a vehicle's fuel consumption using the following test values: What is the final output?

A)15
B)10
C)30
D)20

Question 72

Pseudocode must be
i.Unambiguous.
ii.Syntactically correct code.
iii.Readable by a human.
iv.Indicative of results of an algorithm.

A)i, ii
B)i, ii, iii
C)i, iii, iv
D)ii, iii, iv

Question 73

Evaluate the given pseudocode to calculate the efficiency of a vehicle's fuel consumption using the following test values, rounded to one decimal place:
The trip odometer reading (odometer) = 350
The amount to fill the gas tank (amount) = 12 What is the final output?

A)27.7
B)29.2
C)34.4
D)32.3

Question 74

What is the correct order of the steps in the program development process:
i.Develop and describe the algorithm.
ii.Translate the algorithm into Java.
iii.Understand the problem.
iv.Compile and test the program.
v.Test the algorithm with

A)iii, i, ii, iv, v
B)i, ii, iv, v, iii
C)iii, i, v, ii, iv
D)i, iii, v, ii, iv

Question 75

What is the purpose of the following algorithm?

A)To print out the 10 numbers
B)To search for a particular number among 10 numbers
C)To find the largest among 10 numbers
D)To find the smallest among 10 numbers

Question 76

What term is used to refer to a sequence of steps for solving a problem that is unambiguous, executable, and terminating?

A)documentation
B)pseudoprogram
C)algorithm
D)comments