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ANALYTICAL ENGINE

Computer-Studies

HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2

HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2 (PRE COMPUTER AGE  TO 19TH CENTURY) JACQUARD’S LOOM (FEATURES, COMPONENT AND USES) The Jacquard loom is a mechanical loom, invented by Joseph Marie Jacquard in 1801. This loom simplifies the process of manufacturing textiles with complex patterns such as brocade, damask and matelassé. The loom is controlled by punched cards with punched holes, each row of which corresponds to one row of the design. Multiple rows of holes are punched on each card and the many cards that compose the design of the textile are strung together.   CHARLES BABBAGE Charles Babbage (1791-1871) was born 26 Dec 1791, the son of London banker. Babbage put forward an idea of a machine that could do 60 calculations per second. This analytical engine stamped the foundation of the modern computing. Therefore Babbage is often considered the father of modern computers. On his 200th birth anniversary, 1st… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES 2

Computer-Studies

ELECTRO-MECHANICAL COUNTING DEVICES

Electro-mechanical Counting Devices JOSEPH JACQUARD’S LOOM The Jacquard machine is a device fitted to a power loom that simplifies the process of manufacturing textiles with such complex patterns as brocade, damask and matelassé. It was invented by Joseph Marie Jacquard in 1804. The loom was controlled by a chain of cards, a number of punched cards, laced together into a continuous sequence. Multiple rows of holes were punched on each card, with one complete card corresponding to one row of the design. The Jacquard loom was the first machine to use punch cards to control a sequence of operations. CHARLES BABBAGE’S MACHINES Charles Babbage (26 December 1791 – 18 October 1871) was an English polymath, a mathematician, philosopher, inventor and mechanical engineer. Babbage originated the concept of a digital programmable computer. Babbage is credited with inventing the first mechanical computer that eventually led to more complex electronic designs, though all… Read More »ELECTRO-MECHANICAL COUNTING DEVICES

Computer-Studies

HISTORICAL DEVELOPMENT OF COMPUTING DEVICES II

HISTORICAL DEVELOPMENT OF COMPUTING DEVICES II JACQUARD’S LOOM Is a mechanical loom, invented by Joseph Marie Jacquard in the year 1801. It was used for manufacturing textiles with complex pattern. [e.g. damask, brocade etc.]. It was usually operated with punch cards. DIFFERENCE ENGINE This device was invented by Charles Babbage (known as the Father of Computer). It was used in producing astronomical and mathematical table. It uses the decimal number system (base 10) to carry out its work. It was invented in the year 1821. It was mainly used to tabulate polynomial functions. It is a mechanical calculator.   ANALYTICAL ENGINE This was invented in the year 1833 by Charles Babbage. It was the first digital computer operated with punch cards.   HOLLERITH CENSUS MACHINE It was built in the year 1881 by a scientist named Herman Hollerith. The device was used in the United States of America Census Commission.… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES II

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