Computer Science Principles Unit 3 Review

Computer Science Principles Unit 3 Review

Intro to app design, debugging, and user testing

Investigating & Reflecting

• potential users are interviewed

• focus is on what user needs/wants

Multiple Choice

What will the "width" of the "leftButton" be when the program ends?

• 100

• 500

• 1000

Multiple Choice

If the user does NOT click the button, what will the width of the leftButton?

• 1000

• 100

• 500

Multiple Choice

If the user click "leftButton" once, what will be displyed in the console?

• Australia, Germany, India

• Australia, India

• Germany

• Australia, India, Germany

Fill in the Blank

If the user clicks 3 times, what will print?

Fill in the Blank

In ________ commands run in the order they are written

Fill in the Blank

In _________ some commands run in response to user interactions or other events

Console Logs

• display specifically what is in ""

• can also display the value without ""

Multiple Select

Programmers use comments to:

• debug issues in code

• document how code was written for other programmers to use

• decide which components are important to use

Multiple Choice

What is the purpose of an onEvent?

• triggers code to run after user interacts with screen

• always sets properties for the screen

• never shows anything to the user

Multiple Select

What is important in syntax?

• parentheses

• spelling

• quotation marks

• how fast you type it