What is algorithm

Answer 1

a set of instructions

Answer 2

The method of solving problem.
some method take more time, some method take more memory,some take less, most efficient one is best algorithm.

Answer 3

A set of instructions made to define the logical of a program. It can be write without using a computer programming language (you can write it in English for example, it's the reference for your code ) .

Answer 4

step by step computional process which defines for an specific task