PreAP Computer Science Quiz 02.07-10

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The quiz starts ONE minute after the tardy bell rings.

You will have 30 or 45 seconds per question.

PreAP Computer ScienceQuiz 02.07-10

Title the quiz as shown belowThe quiz starts in ONE minute.

Name Period Date Quiz 02.07-101. 14.2. 15.3. 16.4. 17.5. 18.6. 19.7. 20.8. 21.9. 22.10. 23.11. 24.12. 25.13. EC.

Question 01Which lines in this program contain comments?#1 // Java0201.java#2 // This program demonstrates text output with println.#3 // Note how the file name, Java0201, is the same as the#4 // class identifier Java0201. #5 // Make sure that you observe "case-sensitivity".#6 public class Java0201#7 {#8 public static void main (String args[])#9 {#10 System.out.println("Hello World!");#11 }#12 }

(a) Lines 1-5 (b) Lines 7-9(c) Lines 10-12(d) Lines 7, 9, 11, 12

Question 02Which line in this program generates output?#1 // Java0201.java#2 // This program demonstrates text output with println.#3 // Note how the file name, Java0201, is the same as the#4 // class identifier Java0201. #5 // Make sure that you observe "case-sensitivity".#6 public class Java0201#7 {#8 public static void main (String args[])#9 {#10 System.out.println("Hello World!");#11 }#12 }

(a) Line 1 (b) Line 6(c) Line 8(d) Line 10

Question 03Which line in this program must contain the name of the file?#1 // Java0201.java#2 // This program demonstrates text output with println.#3 // Note how the file name, Java0201, is the same as the#4 // class identifier Java0201. #5 // Make sure that you observe "case-sensitivity".#6 public class Java0201#7 {#8 public static void main (String args[])#9 {#10 System.out.println("Hello World!");#11 }#12 }

(a) Line 1 (b) Line 6(c) Line 8(d) Line 10

Question 04Which word from this program is not a Java Reserved Word?#1 // Java0201.java#2 // This program demonstrates text output with println.#3 // Note how the file name, Java0201, is the same as the#4 // class identifier Java0201. #5 // Make sure that you observe "case-sensitivity".#6 public class Java0201#7 {#8 public static void main (String args[])#9 {#10 System.out.println("Hello World!");#11 }#12 }

(a) public(b) static(c) void(d) Java0201

Question 05

Which symbol is used for single-line comments?

(a) //

(b) \\

(c) /*

(d) */

Which symbol is used to start a multi-line comment?

(a) //

(b) \\

(c) /*

(d) */

Question 06

Which symbol is used to end a multi-line comment?

(a) //

(b) \\

(c) /*

(d) */

Question 07

Question 08What is the output of this program?

public class Java0202{

public static void main(String args[])

{ System.out.println("Line

1"); System.out.println("Line


3");}

}

(a)Line 1Line 2Line 3

(b)Line 1

Line 3

(c)Line 1Line 2Line 3

(d)Line 1Line2Line3

(e)Compile Errors

Question 09What is the output of this program? (a)

Line 1Line 2Line 3

(b)Line 1

Line 3


(d)Line 1Line2Line3

(e)Compile Errors



{ System.out.print("Line

1"); System.out.print("Line

2"); System.out.print("Line

3");}

}


Line 1Line 2Line 3

(b)Line 1

Line 3


(d)Line 1Line2Line3

(e)Compile Errors




1"); System.out.println( ); System.out.println("Line

3");}

}


Line 1Line 2Line 3

(b)Line 1

Line 3


(d)Line 1Line2Line3

(e)Compile Errors




1") System.out.println("Line

2") System.out.println("Line

3")}

}


Line 1Line 2Line 3

(b)Line 1

Line 3


(d)Line 1Line2Line3

(e)Compile Errors






3");}

}


Line 1Line 2Line 3Line 4Line 5Line 6Line 7

(b)Line 1Line 3Line 4Line 5Line 7

(d)Line 1Line 2Line 6Line 7

(c)Line 2Line 6

(e) Compile Errors




1");// System.out.println("Line 2");

System.out.println("Line 3");


System.out.println("Line 5");// System.out.println("Line 6");


}}





(c)Line 2Line 6

(e) Compile Errors





2");/* System.out.println("Line 3");


System.out.println("Line 5"); */



}}





(c)Line 2Line 6

(e) Compile Errors



{// System.out.println("Line 1");

System.out.println("Line 2");/* System.out.println("Line 3");


System.out.println("Line 5"); */

System.out.println("Line 6");// System.out.println("Line 7");

}}

Question 16In order to compile, what namemust this program have?

(a)Java0206.java

(b)Java0206.html

(c)Java0206.exe

(d)Any file that endswith .java

(e)Any file name. The file name does not matter.






3");}

}

Question 17Java source code files end with

(a) .class(b) .exe(c) .html(d) .java(e) .rbt

Question 18Java bytecode files end with

(a) .class(b) .exe(c) .html(d) .java(e) .rbt

Question 19Which of the following icons will only compile a Java program?

(a) (b) (c) (d)(e)

Question 20Which of the following icons will execute a Java program?

(a) (b) (c) (d)(e)

Question 21What is the “Number 1 source of grief” for many students when it comes to computers?

(a) Physical damage to the computer(b) Loss of data(c) Loss of equipment(d) AVR

Question 22Which of the following describes computer viruses?

(a) Malicious programs(b) Programs that copy themselves to other

computers(c) Programs that have been used in warfare to

disable enemy computers(d) All of the above

Question 23From a legal and ethical standpoint, copying copyrighted software is considered

(a) stealing – as in felony theft.

(b) no big deal.

Question 24Even if your computer has the best security, which of the following will leave your computer vulnerable?

(a) Changing your password often(b) Leaving your computer unattended(c) Saving often(d) Frequently backing up your files

Question 25If you are foolish enough to make an unethical choicewhen using a computer, what can happen to you?

(a) You can be charged with a felony.

(b) You may never be able to get a decent job because you have a felony on your record.

(c) You will not be able to take care of your family because you cannot get a decent job.

(d) You will never be able to vote or adopt children.

(e) All of the above

Extra CreditWhich of the following statements is false?

(a) Simply attempting to hack into another computer or network is a misdemeanor.

(b) If you successfully hack into another computer or network, you have already committed a felony, even if you do not do anything else.

(c) Companies are reluctant to prosecute minors.

(d) Some hackers who think they are “just visiting” do not even realize that viruses are being released by the hacking software they downloaded.

Documents

PreAP Computer Science Quiz 02.07-10