difference between cra and crc
Checksum is the general term. CRC is one kind of checksum. An FCS is. a checksum (typically a CRC) appended to a frame during serial data. transmission, so an FCS is one use of a praticular type of checksum. Some are better than others in detecting specific kinds of errors. Some are more easily computed in software or hardware.
A Clinical Research Associate (CRA), also called a clinical monitor or trial monitor, is a health-care professional who performs many activities related to medical research, particularly clinical trials.