True/False
Indicate whether the
statement is true or false.
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1.
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Comments are compiled by Alice.
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2.
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Alice does not allow objects to be reused in different worlds.
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3.
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An object’s shape determines its location within the 3D world.
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4.
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Method variables are names defined within a method that refer to locations in
program memory.
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5.
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The initial value is the value a variable contains when a method begins.
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6.
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The World’s functions pane provides the same
set of function-messages that are sent to an object.
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7.
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An object variable is defined within a method.
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8.
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You may define a function in Alice.
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9.
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A value that you pass to an object via a message is called an argument.
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10.
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An object’s default vehicle is the ground.
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11.
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The list methods menu does not allow you to set the value of a list to another
list.
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12.
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The forAllInOrder statement goes through the items in
a list from last to first.
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13.
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Alice provides built-in transitional effects.
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14.
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Escape sequences cannot be used in String
literals.
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15.
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All objects of a class share a class variable.
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16.
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The System.in class does not provide methods for
reading numbers.
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17.
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All syntax errors in a program must be fixed before you can run it.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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18.
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In the context of a storyboard-sketch, an object’s ____ indicates which
direction it is facing.
a. | orientation | c. | position | b. | viewpoint | d. | pose |
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19.
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The ____ menu at the top of the Alice window lets you examine your world’s
statistics and error console.
a. | File | c. | Help | b. | Edit | d. | Tools |
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20.
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To alter the style in which Alice displays a program, click the ____ menu,
followed by the Preferences choice, and Alice will display the Preferences window.
a. | Tools | c. | Help | b. | File | d. | Edit |
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21.
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Any statements you place within the ____ control will be performed in the order
they appear, top-to-bottom.
a. | forAllTogether | c. | forAllInorder | b. | doTogether | d. | doInOrder |
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22.
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When the program performs a(n) ____ statement, all statements within it are
performed simultaneously.
a. | loop | c. | doTogether | b. | while | d. | doInOrder |
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23.
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The ____ view in Alice provides the world window, plus views from the top,
right, and front of the scene.
a. | universal | c. | quad | b. | global | d. | local |
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24.
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When you click the Save button to store an object,
Alice saves the object in a special alice-2.0-____ file.
a. | object | c. | image | b. | class | d. | binary |
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25.
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To render an object invisible, set its ____ to 0 in the properties pane.
a. | fillingStyle | c. | opacity | b. | skin
texture | d. | vehicle |
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26.
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Every object in a 3D world has ____ attributes that determine its position and
orientation in the world.
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27.
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The amount by which an object has rotated about its FORWARD-BACKWARD axis
(compared to its original position) is called the object’s ____.
a. | pitch | c. | roll | b. | variation | d. | deviation |
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28.
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When you ____ a variable, you provide Alice with a name, type, and initial
value.
a. | extend | c. | define | b. | hide | d. | destroy |
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29.
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In Alice, a(n) ____ variable type is used to store numeric information.
a. | Integer | c. | Double | b. | Number | d. | Long |
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30.
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The____ function returns the distance from the center of one object to the
center of the other object.
a. | distanceInFrontOf() | c. | distanceTo() | b. | distanceAbove() | d. | distanceBelow() |
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31.
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A roll() message requires two arguments: the
direction the object is to roll and the ____ of the roll.
a. | yaw | c. | duration | b. | pitch | d. | amount |
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32.
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The value the function produces is whatever value appears in the
function’s ____.
a. | parameter list | c. | name | b. | return
statement | d. | storage
class |
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33.
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If the value of testScore is ____ the condition below
produces a value of false.
testScore < 0 ||
testScore > 100
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34.
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In Alice, a(n) ____ statement is a flow control statement that directs
flow according to the value of a condition.
a. | doTogether | c. | select | b. | doInOrder | d. | if |
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35.
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The ____ statement directs a program’s flow through the statements
within it, while counting through a range of numbers.
a. | doTogether | c. | for | b. | if | d. | doInOrder |
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36.
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Each item in a list has a ____ by which it can be accessed.
a. | marker | c. | position | b. | flag | d. | handle |
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37.
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If you wish to generate an integer using Random.nextDouble(), be sure to set the integerOnly
attribute to ____.
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38.
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The ____ event is triggered by the program.
a. | While a key is pressed | b. | When the mouse is clicked on something | c. | While the world is running | d. | When a variable
changes |
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39.
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In a transition called a ____, the camera instantaneously jumps from the end of
one scene to the beginning of the next scene.
a. | segue | c. | sweep | b. | cut | d. | join |
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40.
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____ comments begin with // and end at the end of that line.
a. | Inline | c. | Block | b. | External | d. | C-style |
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41.
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Unlike division with real numbers, integer division produces two distinct
results: the ____, and the remainder.
a. | divisor | c. | dividend | b. | product | d. | quotient |
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42.
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A reference type variable whose value is ____ does not refer to any
object.
a. | zero | c. | void | b. | null | d. | the empty String
(“”) |
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43.
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Operator ____ determines the order in which operators with the same priority are
performed.
a. | precedence | c. | transitivity | b. | relativity | d. | associativity |
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44.
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____ provide a way to make a computation reusable.
a. | Methods | c. | Constants | b. | Variables | d. | Comments |
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45.
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To send messages to objects, you must learn how to define ____ methods.
a. | static | c. | private | b. | instance | d. | class |
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46.
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When you declare a class, a variable, a constant, or a method, you are telling
the Java compiler that word’s ____ in the program.
a. | position | c. | meaning | b. | status | d. | path |
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47.
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The ____ type is used to store sequences of characters.
a. | Text | c. | Character | b. | String | d. | Byte |
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48.
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A(n) ____ variable can have either of just two values: true
or false.
a. | Number | c. | Object | b. | String | d. | Boolean |
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49.
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If you wish to generate an integer using Random.nextDouble(), be sure to set the integerOnly
attribute to ____.
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50.
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An object that can appear or disappear at the press of a key is following the
pattern of ____.
a. | the Cauchy sequence | c. | two-state behavior | b. | random selection | d. | the Fibonacci
numbers |
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