Computer Fundamental
A computer is a machine that manipulates data according to a set of instructions called a computer program. In computer science, data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols; datum is a single symbol of data. A computer program is a sequence or set[a] of instructions in a programming language for a computer to execute. It is one component of software, which also includes documentation and other intangible components(Wikipedia)