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Subject :NCO    Class : Class 3

The list of computing technologies that had been arrived before the development of first generation computers is given here. Arrange them in the increasing order of their arrivals.
1. Abacus
2. Pascaline
3. Napier’s Bones
4. Stepped Reckoner
5. Babbage’s Analytical engine

A 1, 2, 3, 4, 5
B 1, 3, 2, 4, 5
C 2, 3, 1, 4, 5
D 4, 5, 3, 2, 1


Ans 1:

Class : Class 4

Ans 2:

Class : Class 3
Nehal it's B

Ans 3:

Class : Class 3
SolutionThe devices mentioned in the question and the time they were invented/designed is shown below. Abacus – 1300 A.D., Pascaline – 1642-1645, Napier’s Bones – 1617, Stepped Reckoner – 1672-1694, Analytical Engine – 1837 According to the given information, the machines will be arranged as follows: Abacus, Napier’s Bones, Pascaline, Stepped Reckoner, Babbage’s Analytical Engine.

Ans 4:

Class : Class 3
Nehal it's B

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