A punched card (also punch card or punched-card) is a piece of card stock that stores digital data using punched holes. Punched cards were once common...

mid-1970s. Punched cards had been in use since the 1890s; their technology was mature and reliable. Card readers and punches developed for punched card machines...

event of a dispute. In a jurisdiction using a punched card system, voters choose by removing or "punching out" a perforated chad from the ballot next each...

programmers created, edited and stored their programs line by line on punch cards. A punched card is a flexible write-once medium that encodes data, most commonly...

punched card sorter is a machine for sorting decks of punched cards. Sorting was a major activity in most facilities that processed data on punched cards...

can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals...

A lace card is a punched card with all holes punched (also called a whoopee card, ventilator card, flyswatter card, or IBM doily). They were mainly used...

read data from punched paper tape and punched that data into cards. The IBM 063 Card-Controlled Tape Punch read punched cards, punching that data into...

the fall of 2009. Punched card systems employ a card (or cards) and a small clipboard-sized device for recording votes. Voters punch holes in the cards...

punched cards contained data to be processed by those machines. For computers equipped with a punched card input/output device the resulting punched cards...

Punched tape or perforated paper tape is a form of data storage device that consists of a long strip of paper through which small holes are punched. It...

technology of punched cards, Herman Hollerith. In April 1949 the company name was changed to IBM Deutschland. The technology of punched cards dates back...

each card was beveled, much like Hollerith punched cards. Edge-notched cards, however, were not intended to be read by machines such as IBM card sorters...

devised a tabulating system that included cards (Hollerith card, later Punched card), a punch for holes in them representing data, a tabulator and a sorter...

created when holes are made in a paper, card or similar synthetic materials, such as computer punched tape or punched cards. The word "chad" has been used...

A time clock, sometimes known as a clock card machine, punch clock, or time recorder, is a device that records start and end times for hourly employees...

Herman Hollerith invented data storage on punched cards that could then be read by a machine. To process these punched cards, he invented the tabulator and...

pencil in designated locations on a punched card and then punch holes corresponding to those marks into the card number cards consecutively (an optional...

systems card reader/punch IBM 1412: Punched card reader/punch IBM 1442: IBM 1440 and IBM System/360 Card reader/punch IBM 1444: IBM 1240/1440 Punched card reader/punch...

The Remington Rand 409, a punched card calculator which was programmed with a plugboard, was designed in 1949.[citation needed] It was sold in two models:...

for multi-hole punched paper is with a ring binder. A book-like cover is fitted with retaining rings matching the pattern of the punched holes. The rings...

a punched card from a deck, do some calculations based on the wiring of its plugboard, and punch results onto the same card. A separate IBM 521 Card Read/Punch...

An aperture card is a type of punched card with a cut-out window into which a chip of microfilm is mounted. Such a card is used for archiving or for making...

Retrieved 2020-07-02. General Information Manual: An Introduction to IBM Punched Card Data Processing. IBM. p. 1. Janda, Kenneth (1965). Data Processing. Northwestern...

Multiplying Punch was a unit record machine that could read two numbers from a punched card and punch their product in a blank field on the same card. The factors...

a sample of their 80-column punched card. In France, he supported the work of Bull, a pioneering supplier of punched card machines. He demonstrated the...

Wiktionary, the free dictionary. Display device Expansion card Punched card input/output Punched tape Video game accessory Laplante, Philip A. (2000). Dictionary...

"After some initial trials with paper tape, he settled on punched cards..." Hollerith used punched cards with round holes, 12 rows, and 24 columns. The cards...

tabulating machine for punched cards to assist in summarizing information and, later, in accounting. His invention of the punched card tabulating machine...

was popular in marginal punched-card systems. Many names, some of them trademarked, have been used for marginal punched-card systems: edge-notched cards...