CS506 Quiz 3 Jan 2026 Set 2

Quiz 1 - CS506

Question:

Which of the following commands is used to invoke an Applet named Test from command line interpreter?

1. appletviewer Test.html
2. appletviewer Test.java
3. appletrunner Test.html
4. appletrunner Test.java

Correct answer: appletviewer Test.html

Copied: 1/1/2026, 9:01:50 PM

Quiz 2 - CS506

Question:

Which of the following is the correct syntax to make a PersonInfo class into a Serializable class?

1. public class PersonInfo includes Serializable { /* class body */}
2. public class PersonInfo implements Serializable { /* class body */}
3. public class PersonInfo imports Serializable { /* class body */}
4. public class PersonInfo extends Serializable { /* class body */}

Correct answer: public class PersonInfo implements Serializable { /* class body */}

Copied: 1/1/2026, 9:02:13 PM

Quiz 3 - CS506

Question:

An applet is basically a/an _____________ that allows interaction with a Java program.

A. Label

B. Frame

C. Panel

D. Window Copied: 1/1/2026, 9:02:36 PM

Quiz 4 - CS506

Question:

In order to include graphics in your Java program, it is mandatory to extend from _________ class.

A. JFrame B. JLabel

C. JPanel

D. JButton Copied: 1/1/2026, 9:02:52 PM

Quiz 5 - CS403

Question:

In vertical partitioning which of the following key is repeated in all vertical partitions of a table, to get the original table?

1. Unique key
2. Secondary key
3. Foreign key
4. Primary key

Correct answer: Primary key

Copied: 1/1/2026, 9:03:29 PM

Quiz 6 - CS403

Question:

Which of the following is NOT the valid data type in SQL?

1. Text
2. Smallint
3. Money
4. Capitalint

Correct answer: Capitalint

Copied: 1/1/2026, 9:03:42 PM

Quiz 7 - CS403

Question:

We should not compromise ________ over efficiency.

A. Accuracy

B. Query response time C. Consistency D. Privacy Copied: 1/1/2026, 9:04:05 PM

Quiz 8 - CS403

Question:

Which of the following constraint states that if a foreign key exists in a relation, either the foreign key value must match the primary key value of some tuple in its home relation or the foreign key value must be completely null?