FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -In Lyon, France, Joseph Marie Jacquard (1752-1834) demonstrated in 1801 a loom that enabled unskilled workers to weave complex patterns in silk. The Jacquard Loom is controlled by a chain of multiple cards punched with holes that determine which cords of the fabric warp should be raised for each pass of the shuttle.

Detailed explanation-2: -Elaborate and intricate designs can be produced on a Jacquard loom, as each warp yarn can be lifted individually and a change in weave structure and pattern can be made at any time.

Detailed explanation-3: -Punch cards have been used to control the operation of machinery from the early nineteenth century, when the Frenchman Joseph Marie Jacquard patented an attachment to a loom in which a series of punched cards (one for each row of the weave) controlled the threads raised in producing the pattern.

Detailed explanation-4: -The Jacquard mechanism, invented by Frenchman Joseph Marie Jacquard and first demonstrated in 1801, simplified the way in which complex textiles such as damask were woven. The mechanism involved the use of thousands of punch cards laced together. Each row of punched holes corresponded to a row of a textile pattern.

Detailed explanation-5: -Punched cards date back to the late eighteenth and early nineteenth centuries when they were used to “program” cloth-making machinery and looms. In the 1880s and 1890s, Herman Hollerith used them with his tabulators-a core product of what would eventually become IBM.