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  2. Data (computer science) - Wikipedia

    en.wikipedia.org/wiki/Data_(computer_science)

    Data exists in three states: data at rest, data in transit and data in use. Data within a computer, in most cases, moves as parallel data. Data moving to or from a computer, in most cases, moves as serial data. Data sourced from an analog device, such as a temperature sensor, may be converted to digital using an analog-to-digital converter.

  3. Data - Wikipedia

    en.wikipedia.org/wiki/Data

    The Latin word data is the plural of datum, "(thing) given," and the neuter past participle of dare, "to give". [6] The first English use of the word "data" is from the 1640s. The word "data" was first used to mean "transmissible and storable computer information" in 1946. The expression "data processing" was first used in 1954. [6]

  4. Computer data storage - Wikipedia

    en.wikipedia.org/wiki/Computer_data_storage

    Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [1]: 15–16 The central processing unit (CPU) of a computer is

  5. Computer memory - Wikipedia

    en.wikipedia.org/wiki/Computer_memory

    Computer memory stores information, such as data and programs, for immediate use in the computer. [2] The term memory is often synonymous with the terms RAM , main memory , or primary storage . Archaic synonyms for main memory include core (for magnetic core memory) and store .

  6. Bus (computing) - Wikipedia

    en.wikipedia.org/wiki/Bus_(computing)

    In computer architecture, a bus [1] (historically also called data highway [2] or databus) is a communication system that transfers data between components inside a computer, or between computers. This expression covers all related hardware components (wire, optical fiber, etc.) and software, including communication protocols. [3]

  7. Data storage - Wikipedia

    en.wikipedia.org/wiki/Data_storage

    Electronic data storage requires electrical power to store and retrieve data. Data storage in a digital, machine-readable medium is sometimes called digital data. Computer data storage is one of the core functions of a general-purpose computer. Electronic documents can be stored in much less space than paper documents. [3]

  8. Data processing - Wikipedia

    en.wikipedia.org/wiki/Data_processing

    Computerized data processing, or electronic data processing represents a later development, with a computer used instead of several independent pieces of equipment. The Census Bureau first made limited use of electronic computers for the 1950 United States Census, using a UNIVAC I system, [3] delivered in 1952.

  9. Data in use - Wikipedia

    en.wikipedia.org/wiki/Data_in_Use

    Data [1] in use is an information technology term referring to active data which is stored in a non-persistent digital state typically in computer random-access memory (RAM), CPU caches, or CPU registers.