Alice 3: Chapter 4 - Quiz

T/F: The technique of breaking down a complex action into several simpler actions is known as composition.

False

In the Scene Editor's Toolbox, you can use a ________ which sets a grid spacing at 1 meter on a side. This allows a developer to count the number of blocks between two objects and gives a distance estimation.

A) Snap grid

B) Code block

C) Block grid

D) Vehicle

Snap grid

If the code does not work as expected, the code is revised to _____ the problem before adding more code to the program.

A) Design

B) Block

C) Drag

D) Debug

D) Debug

T/F: A joint-reference is used to turn, roll, or orient a direction - similar to the way a wire on a marionette is used.

False

The amount of the turn or rotational motion is measured in revolutions, with one complete revolution equivalent to ___ degrees.

A) 90

B) 365

C) 360

D) 180

C) 360

Each object in a virtual world has its own sense of direction. By default, the move procedure is performed in a _______ manner, based on the object's own orientation. That is, if an object is told to move FORWARD, it will move forward in the direction it is currently facing.

A) Procedural

B) Executing

C) Self-centric

D) Directional

C) Self-centric

T/F: A code block is a segment of executable program code, enclosed ion a control structure, that performs a specific task.

True

A turn is a rotational action requiring two arguments: direction and amount. The direction may be LEFT, RIGHT, FORWARD, or [BACKWARD].

A) LEFT, RIGHT, FORWARD, BACKWARD, UP, or DOWN

B) FORWARD, BACKWARD, UP, or DOWN

C) LEFT, RIGHT, FORWARD, or BACKWARD

D) LEFT, RIGHT, UP, or DOWN

C) LEFT, RIGHT, FORWARD, or BACKWARD

T/F: A procedure gets a joint-reference (a link to a skeletal joint) that is connected to a subpart.

True

T/F: A major advantage of incremental development is easier debugging.

True