Data ( / ˈ d eɪ t ə / DAY-tə, / ˈ d æ t ə / DA-tə, or / ˈ d ɑː t ə / DAH-tə) are values of qualitative or quantitative variables, belonging to a set of items. Data in computing (or data processing) are often represented by a combination of items organized in rows and multiple variables organized in columns. Data are typically the results of measurements and can be visualised using graphs or images. Data as abstract concept can be viewed as the lowest level of abstraction from which information and then knowledge are derived. Raw data, i.e., unprocessed data, refers to a collection of numbers, characters and is a relative term; data processing commonly occurs by stages, and the "processed data" from one stage may be considered the "raw data" of the next. Field data refers to raw data collected in an uncontrolled in situ environment. Experimental data refers to data generated within the context of a scientific investigation by observation and recording.

The word data is the plural of datum, neuter past participle of the Latin dare, "to give", hence "something given". In discussions of problems in geometry, mathematics, engineering, and so on, the terms givens and data are used interchangeably. Such usage is the origin of data as a concept in computer science or data processing: data are numbers, words, images, etc., accepted as they stand.

Noun

data c.

1. (uncountable) information, especially encoded information that can be processed by computers
2. (colloquial) (dated) short for datamaskin, a computer

   Det är fel på datan

   Something's wrong with the computer

   • 1966, Olof Johannesson (pen name of Hannes Alfvén), "Sagan om den stora datamaskinen"

     De första datorna var ju också mycket enkla.

     And the first computers were very simple.

Declension Declension of data 2 singular plural common indefinite definite indefinite definite nominative data datan dator datorna genitive datas datans dators datornas

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