All terms in this list:

Program: A set of instructions that a computer executes to achieve a particular objective.

Light-emitting diode: A semiconductor diode that emits light when conducting current.

Microcontroller: A small computer on a single integrated circuit containing a processor, memory, and programmable inputs and outputs.

Block-based programming: An introductory programming method. Unlike traditional, text-based programming, block-based coding is a drag-and-drop programming environment where code blocks snap together to form a program.

input: Information or signals put into a computer system.

Iteration: Repeating a process to yield results successively closer to the goal.