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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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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11.
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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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12.
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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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13.
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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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14.
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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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15.
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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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16.
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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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17.
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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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18.
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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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19.
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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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20.
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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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21.
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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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22.
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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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23.
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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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24.
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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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25.
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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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