Write short on differnce engine and analytical engine​

Analytical engine Is a fully controlled general-purpose computer which includes automatic mechanical digital computer into it.

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Difference between Difference Engine and Analytical Engine :

Analytical EngineDifference Engine

It is an intendedly controlled machine.It is created in a way to tabulate the mechanical functions.

Difference engines are strictly calculators. ... The Analytical Engine is much more than a calculator and marks the progression from the mechanized arithmetic of calculation to fully-fledged general-purpose computation. There were at least three designs at different stages of the evolution of his ideas.

Explanation:

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a variable of array type holds a reference of object

array are commonly used in computer program to organize data so that a related set of values

array are using zero base indexing it start with 0.

all component of array have same type, two different types doesn't use in single array

if array are store 10 quantities its index value varies from 0 to 9.

it stores 1st quantity value in index value 0 and this process will same till index value 9.