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What machine used punched cards to help with the 1890 census?
Hollerith
Who is the father of punched cards?
herman hollerith
What were punched cards and electrical pulses succeeded by?
Punched cards and electrical pulses quickly gave way to vacuum tubes and electronic digital computers.
Why do you use keyboards?
Because the computer can't read my thoughts and I need some way to tell it what I want it to do. When I first started using computers you used punched cards to do that and the keypunch that punched the cards had a keyboard but was not connected to the computer. You punched the deck using the keyboard on the keypunch, then took the deck to the computer's card reader.
Who is Joseph Jacquard?
Joseph-Marie Jacquard (1752-1834) was a French inventor who developed a system of punched cards used to program the operation of mechanical equipment. First used for the operation of mechanical looms in the textile industry, the punched cards became the prototype for the first mechanical computers.
When did Joseph-Marie Jacquard use punched cards?
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Who introduced first punched cards?
Herman Hollerith
What was the significance of the punch card?
It is the medium by which people communicate with computers in the olden days. Computer programs are written in punched cards, input data are also written in punched cards. There was a special machine called "card reader" to interpret what were in the punched cards and convert them into machine readable form.
What was Joseph Marie's contribution to computers?
Joseph Marie Jacquard invented the Jacquard loom in 1804. It was a machine that weaved complex fabric design. It was the first machine that used punched cards. These (punched cards) were used to control the weaving process particularly the design of the clothes to be woven. In others words, he made a programmable loom,
Why do they poke holes in casino cards?
Used cards are either sold or given away to customers, holes are punched in used cards to distinguish them from cards in play. It is a security issue to discourage cheating, cards with holes are definitely not used by the casino, so if a card with a hole shows up in the deck the casino knows someone is trying to cheat.
What is punched card?
A punch card are cards with punched holes in them that represent data. You feed them into a (usually) large-scale computer that can accept them.
What are the input in first generation of computers?
Punched cards & magnetic tape
