USA HISTORY

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: -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-3: -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.

Detailed explanation-4: -By the time of the Inca Empire, a device called the Khipu (also known as Quipu) had developed, a system of using knotted and coloured strings to record information. These Khipus would be carried by Inca messengers across the Empire to transmit messages and deliver important communications.

Detailed explanation-5: -"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.