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The earliest calculating devices were:

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Important Questions on Future of Computers

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RBI Assistant Exam Guide for Preliminary & Main Exam 2018>Chapter 35 - Future of Computers>EXERCISE>Q 23
Who built the first ‘mechanical calculator’?
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RBI Assistant Exam Guide for Preliminary & Main Exam 2018>Chapter 35 - Future of Computers>EXERCISE>Q 24
When you use a mobile phone to purchase a product and transfer the money. the transaction is called 
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RBI Assistant Exam Guide for Preliminary & Main Exam 2018>Chapter 35 - Future of Computers>EXERCISE>Q 25
On-line real time systems become popular in the _____ of computers.
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RBI Assistant Exam Guide for Preliminary & Main Exam 2018>Chapter 35 - Future of Computers>EXERCISE>Q 26
.........is the science that attempts to produce machines that display the same type of intelligence that humans do.