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e 15 The value of each bead of an abacus is equal frite inventors name of the following device Napier's bone b. Tabulating Machine EDSAC d. Analytical Engine Rising School Le​

e 15 The value of each bead of an abacus is equal frite inventors name of the following device Napiers bone b Tabulating Machine EDSAC d Analytical Engine Risin class=
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Respuesta :

Answer:

b. Tabulating Machine

Explanation:

  • The values of each beads in the upper deck are 5 and those in the lower deck are one. Beads are considered to be counted and move towards the beam or the piece of abacus.

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