FIRST CONTACTS 28000 BCE 1821 CE
THE INCA CIVILIZATION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Drawing lines on a wall.
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The Quipu, a recording device made of knotted string.
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Writing numbers on rocks and clay in their own Math system.
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None of the above
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Detailed explanation-1: -A quipu usually consisted of cotton or camelid fiber strings. The Inca people used them for collecting data and keeping records, monitoring tax obligations, collecting census records, calendrical information, and for military organization.
Detailed explanation-2: -The Incas, like us, had a decimal (base-ten) system, so each kind of knot had a specific decimal value. The Single knot, pictured in the middle of the diagram[iii] was used to denote tens, hundreds, thousands, and ten thousands. They would be on the upper levels of the H cords.
Detailed explanation-3: -"The Inca civilization that emerged in the region in the 13th century adopted the quipu to record and transmit tax records, census data and other information across the great distances of the Inca Empire. “Quipu” means “knot” in the Peruvian Quechua language.
Detailed explanation-4: -Quipus were the main system employed by the Incas to record information. The knotted cords were used to record countable information. The colors, knots and the distances between the knots enabled those who used the quipus to identify the type of object or the characteristics of the population being recorded.
Detailed explanation-5: -The Incas may not have bequeathed any written records, but they did have colourful knotted cords. Each of these devices was called a khipu (pronounced key-poo). We know these intricate cords to be an abacus-like system for recording numbers.