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data
Last modified: Tuesday, October 28, 2003 

(1) Distinct pieces of information, usually formatted in a special way. All software is divided into two general categories: data and programs. Programs are collections of instructions for manipulating data.

Data can exist in a variety of forms -- as numbers or text on pieces of paper, as bits and bytes stored in electronic memory, or as facts stored in a person's mind.

Strictly speaking, data is the plural of datum, a single piece of information. In practice, however, people use data as both the singular and plural form of the word.

(2) The term data is often used to distinguish binary machine-readable information from textual human-readable information. For example, some applications make a distinction between data files (files that contain binary data) and text files (files that contain ASCII data).

(3) In database management systems, data files are the files that store the database information, whereas other files, such as index files and data dictionaries, store administrative information, known as metadata.

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For internet.com pages about data . Also check out the following links!

Related Links

Data Representation 
This is Chapter 1 of Randall Hyde's book, "Art of Assembly Language." It describes the binary and hexadecimal numbering systems, binary data organization (bits, nibbles, bytes, words, and double words), signed and unsigned numbering systems, arithmetic, logical, shift, and rotate operations on binary values, bit fields and packed data, and the ASCII character set.

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Shared Database - Central Place on the Web to Manage & Share Data.

Endress+Hauser: Data Loggers and Data Recorders - Supplies industrial automation and control, test and measurement, and information system solutions.

Yokogawa: Data Loggers and Data Recorders - Supplies industrial automation and control, test and measurement, and information systems, including data loggers and data recorders.

Crag Technologies: Data Loggers and Data Recorders - Provides a full line of high-performance PC-based data acquistion solutions, including a variety of oscilloscopes.

Davis Inotek: Data Loggers and Data Recorders - Distributor for a complete range of test, measurement, control and calibration instruments.

related categories

Data

related terms

active archiving

ASCII

binary

data dictionary

data independence

data integrity

data migration

database management system

garbage in, garbage out

meta data

metadata

program

raw

software

word


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