unit 2 test vocab AP COMP SCI

Move

A Karel program uses the command ____ to move Karel forward one space.

turn left();

The command ____ is used to turn Karel to the left.

Command

A Karel function is a group of commands that can be used to perform a specific ____.

Defining

We can teach Karel new commands by ____ a new function.

Defined

A function must be ____ before Karel can use it.

Called

When a function is used in a program

Smaller parts

The purpose of using functions is to break a program into ____.

Read

Functions can help make a program easier to ____.

If statement

An ____ is used when we want Karel to make a decision based on whether a condition is true.

Condition

ballsPresent() is an example of a ____ that can be used with an if statement.

Current location

noBallsPresent() checks whether there are no balls at Karel's ____.

While loop

A ____ is used to repeat commands while a condition remains true.

For loop / Fixed number

A ____ is used to repeat something a ____ of times.

For loop

If Karel needs to put down 300 tennis balls, use a ____

Repeat / Fixed

The purpose of a for loop is to ____ something a ____ number of times.

Semi colons

The three main parts of a for loop are separated by ____.

Comment

The symbols // are used to create a single-line ____ in Karel code.

Syntax error

A mistake in the structure or rules of code can cause a ____.

Semicolon

Karel commands such as move must include parentheses and a ____.

Left / L

turnleft() is not a valid Karel command because the word ____ must use a capital ____.

Indentation

Proper ____ helps show the structure of a program and makes code easier to understand.

Pre condition

A ____ is information that describes what must be true before a function runs.

Post condition

A ____ describes what should be true after a function finishes running.

Top down design

____ is a way of designing a program by starting with the largest problem and breaking it into smaller problems.

Smaller parts

Breaking a large problem into ____ makes the problem easier to solve.

Loop

A program can often be improved by using a ____ instead of writing the same command many times.

Super karel

____ has additional abilities that allow Karel to perform commands such as turning right.

Move

A condition such as frontIsClear() can be used to determine whether Karel can safely ____.

Valid

When code is written correctly and follows the rules of the programming language

If statement

____ makes a decision based on a condition

While loop

____ repeats while a condition is true

For loop

____ repeats a fixed number of times

Function

____ groups commands into a reusable unit

Precondition

____ what is true before a function runs

Postcondition

____ what is true after a function runs

Indentation

____ shows the structure of code

Syntax error

____ an error in the rules/structure of code

Comment

____ explains code and is not executed

Super Karel

____ provides additional Karel commands

Calling a function

____ using a function that has already been defined