Computer Science, asked by mahima6015, 3 months ago

11 Dona
Q1 who was
designed Abacus and when?​

Answers

Answered by sumit474022
1

Explanation:

An adapted abacus, invented by Tim Cranmer, called a Cranmer abacus is still commonly used by individuals who are blind. A piece of soft fabric or rubber is placed behind the beads so that they do not move inadvertently.

Answered by urvishbabariya
0

Explanation:

the abacus was first used by the Babylonians as early as 2,400 B.C.

Previous Question
Next Question
Similar questions
Geography, 1 month ago
How can we reduce the rate of earthquakes in the world ? Explain in detail (In Points) _____________________​...
Biology, 1 month ago
In which event at Tokyo Olympics 2020 the silver medal is not awarded because of the tie at the Gold medal position between Gianmarco Tamberi from Italy and Mutaz Essa Barshim from Qatar? * Shot Put Triple Jump Long Jump High Jump​...
Math, 1 month ago
Volume of cubical box is 27443 find length of each side of the box?
Math, 3 months ago
Hola briliance! refer the attachment ​...
English, 3 months ago
tell as 5 words as possible ,related to the following words . 1) mobile 2) t.v ​...
Chemistry, 10 months ago
Why is decomposition of sugar irreversible? Why?
Math, 10 months ago
using laws of indices simplify the following a) 5^10/5^12 b) 4^5÷4^2 c) 2^7×3^9/2^5×3^6​...
Chemistry, 10 months ago
the reaction 2C+O2 gives 2CO is carried out by taking 24g of carbon 96g O2. how many g of reactant left in excess how many g of CO are formed how many extra molecules of limiting reagent should be taken so that nothing is left at the end of reaction​...