Section 2 Oracle Java Fundamentals Quiz

Section 2 - Quiz 1 L1-L7

            (Answer all questions in this section)

                                                           

1.         In Alice, which control statement is used to invoke simultaneous movement?         Mark for Review

(1) Points                                

            Do In Order

            Count

            Do Together (*)                                 

            While

            Variable

2.         In Alice, a computer program requires functions to tell it how to perform the procedure. True or false?            Mark for Review

(1) Points

            True

False (*)

3.         Manually manipulating an Alice object with your cursor is a way to precisely position an object. True or false?   Mark for Review

(1) Points

            True

            False (*)

4.         Only acting objects have one-shot procedures. True or false?            Mark for Review

(1) Points

            True

            False (*)

5.         In Alice, where are objects added and positioned in the scene?        Mark for Review

(1) Points

            The template

            The Scene editor (*)

            The Code editor

            The gallery

6.         Before you can begin to develop the animation storyboard, what must be defined?            Mark for Review

(1) Points

            The debugging process

            The control statements

            The code

            The scenario (*)

7.         In Alice, which of the following are benefits of separating out motions into their own procedures?            Mark for Review

(1) Points

                                    (Choose all correct answers)  

            It makes the scene easier to view.

            It can allow subclasses of a superclass to use a procedure. (*)

            It simplifies code and makes it easier to read. (*)

            It makes the animation easier to run.

            It allows many objects of a class to use the same procedure. (*)

8.         Which Alice tool is used to demonstrate the process flow of an animation? Mark for Review

(1) Points

            World

            Pie chart

            Textual storyboard

            Visual storyboard

            Flowchart (*)

9.         Which Alice execution task corresponds with the following storyboard statement?

Cat turns to face mouse. Mark for Review

(1) Points

            mouse turnTo cat

            this.cat turnToFace this.mouse (*)

            this.mouse turnToFace this.cat

            cat TurnTo mouse

10.       From your Alice lessons, which control statement executes instructions simultaneously?    Mark for Review

(1) Points

            Do in order

            Variable

            Do together (*)

            Count

11.       From your Alice lessons, built-in functions provide precise property details for the following areas:            Mark for Review

(1) Points

            Proximity and point of view.

            Distance to and nesting.

            Proximity and size.

            Proximity, size, spatial relation, and point of view. (*)

12.       From your Alice lessons, which programming instruction represents the following movement: A turtle moves forward half the distance to the flower.          Mark for Review

(1) Points

            this.Turtle move Forward this.Turtle getDistanceTo this.Flower * 2

            this.Turtle move Forward this.Turtle getDistanceTo this.Flower / 1.0

            this.Turtle move Forward this.Turtle getDistanceTo this.Flower / 0.5

            this.Turtle move Forward this.Turtle getDistanceTo this.Flower / 2.0 (*)

13.       What is the purpose of a function in Alice?   Mark for Review

(1) Points

            To position the object in the Scene editor.

            To save the project.

            To compute and answer a question about an object. (*)

            To define how the object should execute a task.

14.       The comments you enter in Alice should describe the sequence of actions that take place in the code segment. True or false?           Mark for Review

(1) Points

            True (*)

            False

15.       Which of the following is a reason why you might disable programming statements in your Alice code?            Mark for Review

(1) Points

            To disable the entire program.

            To make an object move forward.

            To make an object turn and move simultaneously.

            To help isolate portions of code during testing. (*)

1.         From your Alice lessons, where on an object do an object's axes intersect?  Mark for Review

(1) Points

            At the object's center point (*)

            At the object's head

            At the object's chest

            At the object's bottom

2.         Only acting objects have one-shot procedures. True or false?            Mark for Review

(1) Points

            True

            False (*)

3.         In Alice, which of the following is not a control statement? Mark for Review

(1) Points

            Count

            Move (*)

            While

            Do In Order

4.         In Alice, a computer program requires functions to tell it how to perform the procedure. True or false?            Mark for Review

(1) Points

            True

            False (*)

5.         When is an instance created in Alice? Mark for Review

(1) Points

            After the scenario is saved.

            After the folder is selected in the gallery.

            After the class icon is dragged into the scene. (*)

            After the code is created.

6.         Which of the following is an example of nesting in an Alice program?         Mark for Review

(1) Points

            Five Do Together statements are nested inside of a Do In Order statement. (*)

            A move procedure is nested inside of a turn procedure.

            Distance, duration, and direction arguments are nested inside of a procedure.

            Text is nested inside of a comments tile.

7.         Which Alice control statement executes a set of procedures simultaneously?           Mark for Review

(1) Points

            Do in order

            While

            Together

            Do together (*)

8.         Programming comments do not affect the functionality of your Alice animation. True or false?     Mark for Review

(1) Points

            True (*)

            False

9.         What is the first step to entering comments in an Alice program?     Mark for Review

(1) Points

            Select the instance from the instance menu.

            Drag and drop the comments tile below a code segment.

            Type comments that describe the sequence of actions in the code segment.

            Drag and drop the comments tile above a code segment. (*)

10.       In Alice the Functions tab will display the pre-defined functions for the selected instance. True or false?   Mark for Review

(1) Points

            True (*)

            False

11.       In Alice, what function would you use to get a wholenumber from the user?          Mark for Review

(1) Points

            getIntegerFromUser (*)

            getBooleanFromUser

            getStringFromUser

            getDoubleFromUser

12.       In Alice, there is no way of reordering the function list in the function tab. True or false?  Mark for Review

(1) Points

            True

            False (*)

13.       Defining the scenario, and the Alice animation to represent the scenario, is the first step to programming your animation. True or false?  Mark for Review

(1) Points

            True (*)

            False

14.       In Alice, declaring a new procedure to shorten code and make it easier to read is a procedural abstraction technique. True or false?  Mark for Review

(1) Points

            True (*)

            False

15.       In Alice, what are the forms of a scenario?    Mark for Review

(1) Points

                                    (Choose all correct answers)  

            A problem to solve. (*)

            A task to perform. (*)

            A person to help.

            A system to start.

            A section of code to write.

1.         Before you can begin to develop the animation storyboard, what must be defined?            Mark for Review

(1) Points

            The debugging process

            The control statements

            The scenario (*)

            The code

2.         In Alice, declaring a new procedure to shorten code and make it easier to read is a procedural abstraction technique. True or false?  Mark for Review

(1) Points

            True (*)

            False

3.         A scenario gives the Alice animation a purpose. True or false?          Mark for Review

(1) Points

            True (*)

            False

4.         From your Alice lessons, which programming instruction represents the following movement: A cat moves forward double (or twice) the distance to the tree.     Mark for Review

(1) Points

            this.Cat move Forward this.Cat getDistanceTo this.tree / 2.0

            this.Cat move Forward this.Cat getDistanceTo this.tree - 2.0

            this.Cat move Forward this.Cat getDistanceTo this.tree * 2.0 (*)

            this.Cat move forward this.Cat getDistanceTo this.tree + 2.0

5.         In Alice, where you would you get access to the specific joints of an object that are not available through the object drop down menu? Mark for Review

(1) Points

            scene editor

            procedures tab

            functions tab (*)

            code editor

6.         Only acting objects have one-shot procedures. True or false?            Mark for Review

(1) Points

            True

            False (*)

7.         From your Alice lessons, where on an object do an object's axes intersect?  Mark for Review

(1) Points

            At the object's bottom

            At the object's chest

            At the object's head

            At the object's center point (*)

8.         Which Alice execution task corresponds with the following storyboard statement?

Cat turns to face mouse. Mark for Review

(1) Points

            this.cat turnToFace this.mouse (*)

            mouse turnTo cat

            cat TurnTo mouse

            this.mouse turnToFace this.cat

9.         In Alice, the computer specifies the low and high range values for the range of numbers from which to pull a randomized number. True or false?       Mark for Review

(1) Points

            True

            False (*)

10.       When something is broken or doesn't work as intended in a software program, it is referred to as a _________?    Mark for Review

(1) Points

            Bug (*)

            Error

            Code

            Debug

11.       Debugging and testing is the process of running the animation one time, and adjusting the control statements, procedures, and arguments.         Mark for Review

(1) Points

            True

            False (*)

12.       In Alice the Functions tab will display the pre-defined functions for the selected instance. True or false?   Mark for Review

(1) Points

            True (*)

            False

13.       What is the first step to programming an object to turn left in Alice?           Mark for Review

(1) Points

            Select the object to program from the instance menu. (*)

            Drag the turn procedure into the Code editor.

            Select the duration for the object to turn.

            Select the distance to turn.

14.       In Alice, the procedures' arguments allow the programmer to adjust the object, motion, distance amount, and time duration. True or false?      Mark for Review

(1) Points

            True (*)

            False

15.       Which of the following actions would require a control statement to control animation timing?     Mark for Review

(1) Points

                                    (Choose all correct answers)  

            A biped object walking. (*)

            A rock object turning.

            A bird flying. (*)

            A fish swimming. (*)

1.         Define the value of the variable LapCount based on the following math calculation: LapCount + 10 = 15        Mark for Review

(1) Points

            2

            15

            4

            5 (*)

            10

2.         Which of the following is not an Alice variable value type?  Mark for Review

(1) Points

            Whole Number

            Decimal Number

            Color

            Function (*)

3.         In Alice, what are the forms of a scenario?    Mark for Review

(1) Points

                                    (Choose all correct answers)  

            A problem to solve. (*)

            A person to help.

            A task to perform. (*)

            A section of code to write.

            A system to start.

4.         From your Alice lessons, animations should be tested by the programmer before they are considered complete. True or false?          Mark for Review

(1) Points

            True (*)

            False

5.         From your Alice lessons, when testing your animation, you should test that comments were added below each sequence of instructions in the code. True or false?        Mark for Review

(1) Points

            True

            False (*)

6.         In Java, a function is a method that must return a value. True or false?        Mark for Review

(1) Points

            True

            False (*)

7.         Which of the following does not describe methods? Mark for Review

(1) Points

            A subprogram that acts on data and often returns a value.

            A set of code that is referred to by name.

            Is associated with an instance variable. (*)

            Can be called at any point in a program simply by utilizing its name.

8.         In Alice, we can avoid object collision using what?   Mark for Review

(1) Points

            Downloading the Alice 3 collision detector app.

            Using object detection.

            Using math operators. (*)

            Slowing movements down.

9.         Alice uses built-in math operators; they are:   Mark for Review

(1) Points

            Add and subtract

            Multiply and divide

            All of the above (*)

            None of the above

10.       In Alice, what tab would you choose to start a new animation with a pre-populated world?           Mark for Review

(1) Points

            Recent

            Blank Slate

            Starters (*)

            My Projects

11.       In Alice, when is the sceneActivationListener executed?      Mark for Review

(1) Points

            When the user clicks on on object

            At the end of the animation

            At the beginning of the animation (*)

            When an object appears on screen

12.       A data type defines the type of procedures a variable can store. True or false?        Mark for Review

(1) Points

            True

            False (*)

13.       If a value has been assigned to (is stored in) a variable, that value will be overwritten when another value is assigned to the variable using the assignment "=" operator. True or false?   Mark for Review

(1) Points

            True (*)

            False

14.       In Alice, the use of conditional control structures allows what two types of loops? Mark for Review

(1) Points

                                    (Choose all correct answers)  

            switch

            together

            conditional (*)

            infinite

15.       In Alice, which one of the following is not a pre-defined control structure? Mark for Review

(1) Points

            do in order

            do together

            do while (*)

            while

1.   In Java, which symbol is used to assign one value to another?   Mark for Review 

(1) Points      

<

= (*)

>

//

2.   What is the output produced by the following code? 

    Mark for Review 

(1) Points 

j is 10 

j is 5 

k is 5

       

j is 5

k is 5 (*)

       

j is 10

k is 10

       

j is 15

k is 15

3.   When you want specific code to be executed only if certain conditions are met, what type of Java construct would you use?   Mark for Review 

(1) Points 

if (*)

array

while loop

boolean

4.   If you need to repeat a group of Java statements many times, which Java construct should you use?   Mark for Review 

(1) Points 

      (Choose all correct answers)  

while loop (*)

do while loop (*)

repeat...until

if

5.   In Alice it is not possible to transfer a class from one animation to another. True or false?   Mark for Review 

(1) Points 

True

False (*)

6.   You want an event to happen when an object collides with another object, which category of event handler would you choose?   Mark for Review 

(1) Points 

Keyboard

Mouse

Scene Activation/time

Position/Orientation (*)

7.   Which of the following is not an Alice variable value type?   Mark for Review 

(1) Points 

Color

Decimal Number

Function (*)

Whole Number

8.   The initializer of a variable with a TextString value type could be (select all that apply):   Mark for Review 

(1) Points 

      (Choose all correct answers)  

"Greetings" (*)

"Howdy" (*)

"4" (*)

None of the above.

9.   Which of the following WHILE control structures commands the fish to move forward repeatedly 0.5 meters at a time, but stop if it collides with the shark?   Mark for Review 

(1) Points 

(*)

10.   In Alice, we use the WHILE control statement to implement the conditional loop. True or false?   Mark for Review 

(1) Points 

True (*)     

False

11.   In Alice, which of the following programming statements moves the butterfly forward, double the distance to the tree?   Mark for Review 

(1) Points 

this.Butterfly move forward {this.Butterfly getDistanceTo this.Tree / 2}

this.Butterfly move backward {this.Butterfly getDistanceTo this.Tree * 2}

this.Butterfly move forward {this.Butterfly getDistanceTo this.Tree * 2} (*)

this.Butterfly move backward {this.Butterfly getDistanceTo this.Tree / 2}

12.   An example of an expression is:   Mark for Review 

(1) Points 

If or Where

3*3=9 (*)

Move forward 1 meter

"I feel happy."

13.   From your Alice lessons, a textual storyboard provides a detailed, ordered list of the actions each object performs in each scene of the animation. True or false?   Mark for Review 

(1) Points 

True (*)

False

14.   From your Alice lessons, when testing your animation, you should test that comments were added below each sequence of instructions in the code. True or false?   Mark for Review 

(1) Points 

True

False (*)

15.   What can be used as a guideline to ensure your Alice animation fulfills animation principles?   Mark for Review 

(1) Points 

An animation checklist (*)

Other programmers

The Internet

A close friend

1.         An event is any action initiated by the user that is designed to influence the programﾒs execution during play.     Mark for Review

(1) Points

            True (*)

            False

2.         In Alice, what tab would you choose to start a new animation with a pre-populated world?           Mark for Review

(1) Points

            Recent

            Starters (*)

            My Projects

            Blank Slate

3.         Which of the following is not a valid arithmetic operator in Java?    Mark for Review

(1) Points

            +

            /

            -

            *

            %

            $ (*)

            None of the above

4.         If a value has been assigned to (is stored in) a variable, that value will be overwritten when another value is assigned to the variable using the assignment "=" operator. True or false?   Mark for Review

(1) Points

            True (*)

            False

5.         In Java, a function is a method that must return a value. True or false?        Mark for Review

(1) Points

            True

            False (*)

6.         The list below contains method descriptions. All are correct except which one?      Mark for Review

(1) Points

                                    (Choose all correct answers)  

            Is associated with an instance variable.

            A subprogram that acts on data and often returns a value. (*)

            A set of code that is referred to by name. (*)

            Can be called at any point in a program simply by utilizing its name.

7.         In Alice, we can avoid object collision using what?   Mark for Review

(1) Points

            Downloading the Alice 3 collision detector app.

            Using math operators. (*)

            Using object detection.

            Slowing movements down.

8.         Alice uses built-in math operators; they are:   Mark for Review

(1) Points

            Add and subtract

            Multiply and divide

            All of the above (*)

            None of the above

9.         Define the value of the variable LapCount based on the following math calculation: LapCount + 10 = 15        Mark for Review

(1) Points

            2

            5 (*)

            15

            4

            10

10.       The initializer of a variable with a TextString value type could be (select all that apply):     Mark for Review

(1) Points

                                    (Choose all correct answers)  

            "Greetings" (*)

            "Howdy" (*)

            "4" (*)

            None of the above.

6.         The list below contains method descriptions. All are correct except which one?      Mark for Review

(1) Points

                                    (Choose all correct answers)                                                              

            Is associated with an instance variable.

            A subprogram that acts on data and often returns a value. (*)

            A set of code that is referred to by name. (*)

            Can be called at any point in a program simply by utilizing its name.

7.         In Alice, we can avoid object collision using what?   Mark for Review

(1) Points

            Downloading the Alice 3 collision detector app.

            Using math operators. (*)

            Using object detection.

            Slowing movements down.

8.         Alice uses built-in math operators; they are:   Mark for Review

(1) Points

            Add and subtract

            Multiply and divide

            All of the above (*)

            None of the above

9.         Define the value of the variable LapCount based on the following math calculation: LapCount + 10 = 15        Mark for Review

(1) Points

            2

            5 (*)

            15

            4

            10

10.       The initializer of a variable with a TextString value type could be (select all that apply):     Mark for Review

(1) Points

                                    (Choose all correct answers)  

            "Greetings" (*)

            "Howdy" (*)

            "4" (*)

            None of the above.

15.       The Alice If control structure requires the false statement to be populated. True or false?   Mark for Review

(1) Points

            True

            False (*)