Glossary:

• Addition: is a mathematical operation that represents combining collections of objects together into a larger collection.
• Computer Science: is the study of the theoretical foundations of information and computation and of practical techniques for their implementation and application in computer systems.
• Digit: is a symbol used in numerals, to represent numbers in positional number systems.
• System: is a set of interacting or interdependent system components (elements) forming an integrated whole.
• Value: is an assigned or calculated numerical quantity.
• Voltage: is a representation of the electric potential energy per unit charge. If a unit of electrical charge were placed in a location, the voltage indicates the potential energy of it at that point.