What is error? Define error detection and correction.

Error : Various factors like manufacturing defects to environmental effects cause errors in computation. Such errors frequently appear when information is being transmitted between two relatively distant points within a
computer or is being stored a memory unit. Shortly, “error is missing of bit or bits in data due to change and various effects”.

            Error Detection : Error detection is the way to find out that is a data is correct or incorrect. There are various way to detect errors such as, parity bit checking, hamming technique etc.

            Error Correction : Error correction is the way make correction where required to make an incorrect data a correct one. There are various techniques to do this, such as the hamming techniques etc.



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