Arrays
An array is a group of elements stored by a computer. The are all the same type of information, for example letters or numbers. They are stored one after another by a computer. Arrays are addressed using numbers, starting at 0. These arrays can store almost anything, and if the information is stored in order it can be searched using one of several methods.
Algorithms
An algorithm is a set if instructions, a step by step set of instructions for achieving something. An algorithm will have an initial state, a series of steps and one or more end conditions.
