a. Write short notes on the following:
i. Abacus
ii. Jacquard's loom
Answers
Answer:
The abacus, also called a counting frame, is a calculating tool that was in use in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the written Hindu–Arabic numeral system. The exact origin of the abacus is still unknown
Calculation supported: Multiplication, Addition, Division, Subtraction, Square root, Cube root
Variant: Soroban, Suanpan, Roman abacus, Binary abacus, Russian abacus, more
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.
Invented by Joseph Jacquard and demonstrated in 1801, the Jacquard Loom is an attachment for powered fabric looms. It uses a chain of punch cards to instruct the loom on how to make intricate textiles
Short notes on Abacus and Jacquard's loom are given below:-
Explanation:
Abacus:-
Abacus is the oldest instrument in existence used for mathematical purposes, like calculating. It is usually a circular accessible timber form with wooden beads on longitudinal rods. Every bead might be a different list. An abacus is also used to measure big numbers. Columns of berries can display different position properties.
Abacus is constructed of a concrete block under which the rod was fixed of round clusters slipping on the rim. It was used to perform addition and subtraction easily and rapidly.
Jacquard's loom:-
Jacquard Loom is a fastener for driven fabric looms. It uses a series of mainframes to teach the drape how to create complicated fabrics. The Jacquard Loom is significant to the development of software as it is the first machine to use flexible punching cards to direct the device to conduct automatic procedures.
Using a series of punch cards to guide the drape about how to produce complicated textiles.
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