Data storage

• Computer data storage; memory, components, devices and media that retain digital computer data
  Data (computing)
  
  In computer science, data is anything in a form suitable for use with a computer. Data is often distinguished from computer programs. A program is a set of instruction that detail a task for the computer to perform....
   used for computing for some interval of time.
• Any data storage device
  Data storage device
  
  A data storage device is a device for recording information . Recording can be done using virtually any form of energy, spanning from manual muscle power in handwriting, to acoustic vibrations in phonographic recording, to electromagnetic energy modulating magnetic tape and optical discs....
  ; that records (stores) or retrieves (reads) information (data
  DATA
  
  Debt, AIDS, Trade in Africa is a multinational Non-governmental organization founded in January 2002 in London by U2's Bono along with Robert Sargent Shriver III and activists from the Jubilee 2000 Drop the Debt campaign....
  ) from any medium, including the medium itself.

See also

• Information processing
  Information processing
  
  Information processing is the change of information in any manner detectable by an observation. As such, it is a Process which describes everything which happens in the universe, from the falling of a rock to the printing of a text file from a digital computer system....
  
• Signal processing
  Signal processing
  
  Signal processing is the analysis, interpretation, and manipulation of signal . Signals of interest include: audio signal processing, , time-varying measurement values and sensor data, for example biological data such as electrocardiograms, control system signals, telecommunication transmission signals such as radio signals, and many others....
  
• index card
  Index card
  
  File:notecard.jpgAn index card is heavy paper stock cut to a standard size. Index cards are often used for recording individual items of information that can then be easily rearranged and filed ....