How did the abacus occur?
the abacus replaced the abaci
The first Abacus (plural Abaci) are believed to have come from Mesopotamia circa 2700 BC.the Chinese abacus, called a suànpándates to around the 2nd cenruary BC and is beleived to be a copy of the Roman abacus from around the 1st centuary BC.The Roman one was thought to be a stolen, and improved Persian abacus and the Persians believe to have copied the Egyptian one.
Charles Babbage developed abacus in 1820 for information send email to sahil2828@gmail.com
China
sori ban
units of 1 and units of five
Plural of abacus: abaci or abacuses.
An abacus is not a computer system as zero parts of the abacus are electrical. For the abacus to be a computer system, it has to have an input, output and process and store data. If even one of the following is not true then the device will not be considered a computer system. An abacus can not store data, as the human using the abacus will have to memorise the sequences instead of the abacus being able to memorise on its own.
The ancient Chinese also had their own abacus device for calculating purposes
wood parrelel rod and beads
The abacus, also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes
An abacus is a calculating tool used primarily in parts of Asia for arithmetic. The abacus was in use centuries before the written modern numeral system and is still used by merchants, traders and clerks in Asia and Africa.
The Abacus is ancient and the inventor of the original is unknown. Lee Kai Chen did however invent an improved abacus with a movable decimal point and two auxiliary fields for use in complex operations. This abacus was named after himself.
If you are refering to Chinese abacus their earliest rudimentary design of abacus has 1/4 rod beads (quite similar to the later Japanese soroban abacus). Various other types of abacus design were also seen afterwards, but the advance type of 2/5 rod beads became standard and classic. Afterwards, the basic 1/5 rod beads particularly became the type of basic design. The Roman abacus may be not connected to the Chinese abacus.
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China invented the abacus .