Computing Devices | Jacquard’s Loom, Charles Babbage, Hollerith, Burroughs

Historical Development Of Computing Devices 2 (Pre-Computer Age To 19th Century) Jacquard’s Loom (Features, Components, And Uses) Joseph Marie Jacquard invented the Jacquard loom in 1801, a mechanical device simplifying the production of textiles with intricate patterns like brocade, damask, and matelassé. Controlled by punched cards containing holes, each row corresponding to a design row, […]

Historical Development Of Computing Devices 2 (Pre-Computer Age To 19th Century)

Jacquard’s Loom (Features, Components, And Uses)

Joseph Marie Jacquard invented the Jacquard loom in 1801, a mechanical device simplifying the production of textiles with intricate patterns like brocade, damask, and matelassé. Controlled by punched cards containing holes, each row corresponding to a design row, these cards, featuring multiple rows of holes, are interconnected to form the textile design.

 

Charles Babbage

Born on December 26, 1791, into a London banking family, Charles Babbage proposed a machine capable of 60 calculations per second, laying the groundwork for modern computing. Celebrating his 200th birth anniversary on November 1, 1991, scientists and engineers constructed the Difference Engine No. 2 based on his concept, honoring the father of modern computers.

 

The computer includes the following features:

  1. Sequential control of arithmetic operations
  2. Punched cards recording the program or steps for the engine
  3. Memory (1000 words of 50 digits)
  4. Arithmetic unit
  5. Input
  6. Output

 

Analytical Engine (Components, Features, And Uses)

The analytical engine, conceived by Charles Babbage, represented a novel mechanical computer capable of complex calculations, including multiplication and division. Its fundamental components mirror those found in today’s computers, featuring a CPU, Mill, and memory known as the “store.” The device had a reader for inputting instructions and a printer, the precursor to modern inkjet and laser printers, for recording results on paper.

 

Hollerith Census Machine

Herman Hollerith’s tabulator, an electrically operated system, processed census data by reading holes on paper punch cards. Key components included:

  1. Pantograph: Transferred census data from schedules to punch cards.
  2. Card reader
  3. Sorting table: Specified card placement based on registered data.

 

Burroughs Machines

In 1884, William Burroughs constructed his first experimental adding machine with printed output. Noteworthy features included a high sloping keyboard, a beveled glass front, and a concealed printing mechanism at the machine’s rear. The machine exclusively performed additions, lacking direct subtraction or complement addition. It featured two large keys for totals and subtotals and three smaller keys for non-add operations.

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