AP CSP Review

The inputs and outputs that allow a user to interact with a piece of software.

• Useful Interchange

• User Input

• User Interface

• User Intention

Some program statements run when triggered by an event, like a mouse click or a key press.

• Sequential Programming

• Event Driven Programming

What is a reason to include comments in a program?

• Comments tell the computer what the code is doing.

• Comments tell the programmer what the code is doing.

• Comments help the user work an app more effectively.

• Comments will show up in the console so when the program is run, the programmer know what happens.

What is displayed to the console log?

• $10

• $ 10

• $10.00

• error

What is a Bug

• Part of a program that does not work correctly.

• An algorithm that has been coded into something that can be run by a machine.

• The art of creating a program.

• An action that causes something to happen.

What is output by the program?

• Option A

• Option B

• Option C

• Option D

• Option E

Assume that the two variables age and day have been initialized with the values shown.

var age = 16;

var day = "Monday";

Determine if the following statement evaluates to true or false.

(age > 10) && (age < 20)

• true

• false

Program statements run in order, from top to bottom.

• Sequential Programming

• Event Driven Programming

In programming, what is iteration?

• The repetition of steps within a program

• The order in which instructions are carried out

• A decision point in a program

Jasmine is writing a shopping app. She has created a variable to keep track of the number of items in the shopping cart. Every time someone clicks the "addItemButton", she would like the variable to increase by 1.

What code should Jasmine insert where it says <missing code> in order for her app to work?

• cart total = 1;

• cartTotal + 1;

• cartTotal = cartTotal +1;

• var cartTotal = cartTotal + 1;

• var cartTotal + 1;