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  9. Q11

RBI Assistant 2017 · Question 11 of 200

ww To represent the unit of data, which of the following devices use ‘set of beads’?

  1. AAbacusCorrect
  2. BMARK-I
  3. CENIAC
  4. DEDVAC
  5. ENone of these

Answer: A. Abacus

Explanation

The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool with a set of beads for counting.

Source: RBI Assistant 2017 Mains Previous Year Paper (ixamBee solved PDF) · memory-based

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