Explanation: Recognition method is the technique which is based upon the similarity of the structure.It basically compares between the received format and the format of the reference on the basis of their structure.It is considered as a good method of the retrieving the image or format which is in storage. This usually results in opting the correct answer or option.
The actual mathematical operation for each instruction is performed by a combinational logic circuit within the CPU's processor known as the arithmetic logic unit or ALU.
