Computer ch. 2

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Scenario

A description of the story, game or simulation; a description of the problem or task

Pivot point

A joint connection

Yaw

A left-right turning motion

Algorithm

A list of action to perform a task or solve a problem

Pseudocode

A loose version of the instructions that will eventually become program code

Describe what is meant by the term method

A method defines an instruction or series of actions for an object to do .

Arguments

A popup menu that allows you to select from a list: duration, style, asSeenBy, etc

Program

A set of actions that tells the computer what to do

Comments

A string of text in a program that does not function in the program itself but is used by the programmer to explain instructions.

Pitching

A tipping, rocking-chair kind of motion

Do in order

Actions must occur one after another

Do together

Actions that occur simultaneously

Instruction

An action to be performed

Visual storyboard

Beaks down a scenario into a sequence of major scenes with transitions between scenes

Which control statement is used in Alice to create a block of instructions that will occur in sequence when the program is run?

Do in oder

Occur simultaneously

Do together

Bug

Error in computer programs

What is computer programming resemble to artist goes through when creating stiff?

Have to plan the final product, producing such intermediate artifacts

Textual storyboard

Looks something like to-do list; ordered list of action; summarize several scenes

Nesting

One program statement is written inside another

What are the steps in writing an alice program?

Read the scenario, design, implement, test

Method

Segment of program code that defines how to perform a specific task

Synax

Statement structure and punctuation

Explain how synchronize the motion of two objects in Alice

The easiest way is using the vehicle property

Explain how to synchronize the orientation of two objects in Alice.

The easiest way is with the orient to instruction

Design

The plan for implementing the program

Orientation

The three-dimensional coordinate system that provides a sense of direction

Do together and do in oder are described as control statement why?

They are each statements that tell Alice how to carry out instructions in a program

Describe the difference between translation motion and rotational motion.

Translational- the movement of the center of an object Rotational- rotation around its center

Trial-and-error strategy

Trying several different methods to find what works best

Describe two major differences between visual and a textual storyboard.

Visual- include a snapshot of the scene and description of the scene Textual- like a "to-do" list, provides a description of the steps to be accomplished

Implement

Writing the program code


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