Programming with Karel Vocabulary
For Loop
Lets us repeat code a fixed number of times.
Control Structure
Lets us change the flow of the code.
While Loop
Lets us repeat code as long as something is true.
Break Down
Splitting your code into more functions.
Decompose
Splitting your code into more functions.
Integer
A whole number (not a fraction)
Initialize
To give a variable an initial value
Function
A way to teach Karel a new word.
Karel
A dog who listens to your commands.
World
A grid that Karel lives in.
Comment
A message in your code that explains what is going on.
Top Down Design
A method for breaking our program down into smaller parts.
Computer
A person or device that makes calculations, stores data, and executes instructions according to a program.
Bug
A problem in your code.
Fencepost Problem
A problem when using a while loop where you forget one action at the beginning or the end.
Semicolon
A punctuation marks that looks like ;
Variable
A symbol or container that holds a value.
Constant
A variable in a program that has a value that does not change.
Loop
A way to repeat code in your program.
Call a Function
Actually giving the command for the function, so the computer will run the code for that function.
SuperKarel
Already knows how to turnRight() and turnAround()
If Statement
An if statement lets you ask a question to the program and only run code if the answer is true.
Command
An instruction you can give to Karel.
Precondition
Assumptions we make about what must be true before the function is called.
Decomposition
Breaking your program into smaller parts.
Condition
Code that you put inside an if statement or a while-loop.
Curly Bracket
This {open and closed}
If Else Statement
Control structure that lets us do either one section of code or another depending on a test.
Computing
Executing instructions, calculating, or using a computer.
Increment
To add to or increase
Code
The name for the instructions you write to a computer in a program.
Function body
The part of a function that contains the commands
Indentation
The visual structure of how your code is laid out. It uses tabs to organize code into a hierarchy.
Programming Style
The way your code is written. It covers the aspects of the code that goes beyond whether or not it just works.
Define a Function
To teach the computer a new command and explain what it should do when receiving that command.
Postcondition
What should be true after the function is called
