Data is a raw fact. Data is the plural of datum, however people prefer to use the term ‘data’ for both singular and plural form. Data can be converted into information by performing various operations on it as per the requirement. Computer programs are used to analyse and process data.

Data definition
Data are facts or statistics which can be of qualitative or quantitative nature.

In other words, data means values or set of values. There can be various types of data. The way in which the data are stored and organized in a computer is called data structure.