Alonzo Church
Major contributor to early computer science
Sprite
Like an actor on the stage who knows how to do many different things, such as walk around the stage and speak the lines of the play
Costumes
Picture that can be “worn” by a sprite
Transparency
How much of an image you can see and what's behind it
List
An ordered sequence of items
String
A sequence of characters
Debugging
Process of testing, finding problems, and fixing them is called debugging
Procedure
Named sequence of instructions that may take inputs and may report a value
Reporters
Have an oval shape They report a value
Commands
Have a jigsaw puzzle shape Tell the computer to do something without reporting a value