A step by step process that describes how to solve a problem and/or complete a task, which will always give a result.

In CS Unplugged we use the term decimal number to represent all whole numbers. There are many different phrases for these numbers including whole numbers, counting in base 10, cardinal numbers and ordinal numbers. Examples of these numbers are 7, 41, 1052.

This term is an abbreviation of picture element, the name given to the tiny squares that make up a grid that is used to represent images on a computer.