Error detecting and correcting codes are based on significant distance between two bit strings in terms of the number of bits that have to alter to get from the first ...

Related to parity checking is the checksum. A checksum does an XOR of all the bytes in a message. The checksum is appended to the message. As data arrives the receiver also calculates the checksum and ...

Whenever we send data — whether it’s audio signals over a phone line, a data stream or a legal document — to someone else, we need to know that what arrives on the other end is identical to what we ...

Error detection determines if the data received through a medium is corrupted during transmission. To accomplish this, the transmitter uses a function to calculate a ...