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What is algorithms?

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An algorithm is a finite set of computational instructions, each instruction are can be  executed in finite time, to perform computational or problem solving by giving some value or set of values as input to produce some values or set of values as output. Algorithms are not dependent on a particular machine, programming language or compilers i.e. algorithms run in same manner everywhere. So the algorithm is a mathematical object where the algorithms are assumed to be run under machine with unlimited capacity.
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