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What is algorithm
I don't understand that concept term
An algorithm is a set of instructions which together complete a particular task. We have examples everywhere. A recipe is an algorithm, so is a set of instructions to put together flat-pack furniture.
In computing, the algorithm is converted into code to tell the computer what to do. Many algorithms are given names so that other people know what they are talking about. For example, a bubble sort is an algorithm to sort numbers. A merge sort also does this but it uses different instructions to achieve the same result.
We can analyse algorithms to work out which are more efficient so that we can choose the best one for the situation we are in.