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A device that uses positional notation to represent a decimal number.(a) Abacus(b) Calculator(c) Pascaline(d) ComputerI have been asked this question during an interview for a job.My doubt is from Positional & Non-Positional Number System topic in chapter Number Systems of Computer Fundamentals

Answer»

Correct choice is (a) Abacus

The explanation: Abacus was used to doing ARITHMETIC calculations around 2500 years AGO. Pascaline was the PASCAL’s calculator by BLAISE Pascal invented for doing LABORIOUS calculations.



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