Card image

Card image

A card image is an archaic term for an ASCII string, usually 80 bytes in length. It refers to a Hollerith card, a data storage medium popular in the 1960s and 1970s. Two standard sizes of Hollerith card stored 80 or 132 characters. A single card was typically used to store a single line of text, for example a line of FORTRAN code. Many data formats, such as the FITS image file format, still use card images as basic building blocks -- even though physical hollerith cards have not been widely used since the advent of inexpensive disk drives in the 1980s.

External links

* [http://www.ietf.org/rfc/rfc678.txt RFC 678: Standard File Formats] . The card image format is defined in the section "Standard Formats" of this RFC.


Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • Card printer — Card printers, often also called plastic card printers, are electronic desktop printers with single card feeders which print and personalize plastic cards. In this respect they differ from, for example, label printers which have a continuous… …   Wikipedia

  • Card stunt — Card stunts are a pre planned, coordinated sequence of actions performed by an audience, whose members raise cards that, in the aggregate, create a recognizable image. The images they create can range widely and, through careful planning, the… …   Wikipedia

  • Card-throwing — is the art of throwing standard playing cards. First popularized in the West among stage magicians, the art of throwing cards was called scaling . In 1997, a segment on MTV News:Unfiltered , featuring Jon W and the Fellas from Denver,… …   Wikipedia

  • Image scanner — Desktop scanner, with the lid raised. An object has been laid on the glass, ready for scanning …   Wikipedia

  • Image copyright (Germany) — In Germany, photo rights or Bildrechte are the copyrights that are attached to the author of the photograph and are specified in the Law for Copyright and similar Protection ( Gesetz über Urheberrecht und verwandte Schutzrechte [… …   Wikipedia

  • Video card — image = Gpu connections.png Connects to Motherboard via one of: ISA MCA VLB PCI AGP PCI X PCI Express Others Display via one of: VGA connector Digital Visual Interface Composite video S Video Component video …   Wikipedia

  • Indian Head test card — The Indian Head Test Card was a black and white television test pattern which was introduced in 1939 by RCA of Harrison, New Jersey as a part of the RCA TK 1 Monoscope. 20th century television later became so important socially that this purely… …   Wikipedia

  • Punched card — Overpunch redirects here. For the code, see Signed overpunch. A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined… …   Wikipedia

  • Strength (Tarot card) — Description and usage in divination A. E. Waite was a key figure in the development of modern Tarot interpretations (Wood, 1998). However, not all interpretations follow his practice. Tarot decks, when used for divination, are interpreted by… …   Wikipedia

  • FastStone Image Viewer — Infobox Software name = FastStone Image Viewer caption = FastStone Image Viewer author = developer = released = latest release version = 3.6 latest release date = release date and age|2008|09|15 latest preview version = 3.6 Beta 2 latest preview… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”