punched cards

punched cards
Herman Hollerith

Inventors, Inventions . 2014.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • punched cards — cards on which information was stored by means patterned perforation (old method of data processing) …   English contemporary dictionary

  • 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

  • Punched tape — Five hole and eight hole punched paper tape Punched tape or paper tape is an obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data. It was widely used during much of the twentieth century for… …   Wikipedia

  • Deck of punched cards — Колода перфокарт (для ЭВМ) …   Краткий толковый словарь по полиграфии

  • Computer programming in the punched card era — Punched card from a Fortran program. From the invention of computer programming languages up to the mid 1980s, many if not most computer programmers created, edited and stored their programs on punched cards. The practice was nearly universal… …   Wikipedia

  • punched tape — noun Etymology: from past participle of punch (I) : paper tape punched with holes in such a way as to convey information * * * Computers. See paper tape. [1880 85] * * * punched tape noun (computing) Same as ↑ …   Useful english dictionary

  • Herman Hollerith — punched cards …   Inventors, Inventions

  • History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… …   Wikipedia

  • Unit record equipment — Before the advent of electronic computers, data processing was performed using electromechanical devices called unit record equipment, electric accounting machines (EAM) or tabulating machines. Unit record machines were as ubiquitous in industry… …   Wikipedia

  • Key punch — A key punch is a device for entering data into punched cards by precisely punching holes at locations designated by the keys struck by the operator. Early keypunches were manual devices. Later keypunches were mechanized, often resembled a small… …   Wikipedia

Share the article and excerpts

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