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data

[′dad·ə, ′dād·ə, or ′däd·ə]
(computer science)
General term for numbers, letters, symbols, and analog quantities that serve as input for computer processing.
Any representations of characters or analog quantities to which meaning, if not information, may be assigned.
(science and technology)
Numerical or qualitative values derived from scientific experiments.

data

(data, data processing, jargon)
/day't*/ (Or "raw data") Numbers, characters, images, or other method of recording, in a form which can be assessed by a human or (especially) input into a computer, stored and processed there, or transmitted on some digital channel. Computers nearly always represent data in binary.

Data on its own has no meaning, only when interpreted by some kind of data processing system does it take on meaning and become information.

For example, the binary data 01110101 might represent the integer 117 or the ASCII lower case U character or the blue component of a pixel in some video. Which of these it represents is determined by the way it is processed (added, printed, displayed, etc.). Even these numbers, characters or pixels however are still not really information until their context is known, e.g. my bank balance is ?117, there are two Us in "vacuum", you have blue eyes.

data

(1) Technically, raw facts and figures, such as orders and payments, which are processed into information, such as balance due and quantity on hand. However, in common usage, the terms "data" and "information" are used synonymously. In addition, the term data is really the plural of "datum," which is one item of data. But datum is rarely used, and data is used as both singular and plural in practice.

The amount of data versus information kept in the computer is a tradeoff. Data can be processed into different forms of information, but it takes time to sort and sum transactions. Up-to-date information can provide instant answers.

A common misconception is that software is also data. Software is executed, or run, by the computer. Data are "processed." Thus, software causes the computer to process data.

(2) Any form of information whether on paper or in electronic form. Data may refer to any electronic file no matter what the format: database data, text, images, audio and video. Everything read and written by the computer can be considered data except for instructions in a program that are executed (software).

(3) May refer only to data stored in a database in contrast with text in a word processing document.
References in periodicals archive ?
Among reasons cited by the 32 jurisdictions that do not share data between birth defects surveillance programs and CCHD newborn screening programs are absence of a birth defects surveillance program (five, 16%); lack of individual-level pulse oximetry screening data (10, 31%); and data systems that are not linked (17, 53%).
Blood donation screening data can augment clinical Zika virus surveillance data to provide real-time communication of Zika virus incidence estimates to enable better ascertainment of the extent of outbreaks and improved targeting of prevention and response efforts.
According to GAO, TSA officials said a key reason for the push-back is that it's difficult to verify the accuracy of self-reported screening data provided by international passenger carriers.
Then we offer two illustrations of how the CBM and behavior screening data could be analyzed to identify students for targeted supports and directions for future applications.
The purposes of this study were to describe the distribution and rate of injuries in elite adolescent ballet dancers, and to examine the utility of screening data to distinguish between injured and noninjured dancers.
The National Library of Medicine (NLM) today launched the Newborn Screening Coding and Terminology Guide, an important step toward efficient electronic exchange of standard newborn screening data. The new Web site was created in collaboration with the Office of the National Coordinator for Health Information Technology, the Health Resources and Services Administration, and the Centers for Disease Control and Prevention, all components of the U.S.
Screening data were obtained for 1l, 168 adult men and women entering five local jails between May 2002 and January 2003, and 10,240 adult men and women between November 2005 and June 2006.
PIMS is used to collect, analyse and report passenger and baggage screening data. It can also provide operational performance metrics, including wait times at specific airports and utilisation of screening equipment.
The scientists used screening data from 1995 through 1998 for 35,815 children.
The remaining papers discuss issue of data analysis, specifically examining methods for statistical analysis, quality assurance, and management of primary high-throughput screening data; chemoinformatic tools for high-throughput screening data analysis; and combinatorial chemistry and high-throughput screening.
Olympics World Summer Games 2003--Healthy Athletes Screening Data. Washington, DC: Special Olympics, Inc, 2005.
MicroStrategy anchors TSA's Performance Management Information System (PMIS), which collects, analyzes, and reports passenger and baggage screening data. Operational performance metrics, such as wait times at selected airports, TSA staff utilization, and screening equipment utilization are collected and reported via the PMIS system.

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