Having the prothrombin mutation increases the risk of developing a DVT (a blood clot in the deep veins, typically the legs) and/or PE (blood clot that travels to the lungs). DVTs are dangerous because they can damage the veins, leading to pain and swelling, and sometimes to disability.
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.
Difference between Cost Center & Internal Order. Internal orders are an excellent means of managing costs. Internal orders have many controls such as Execution profile, status profile, budget profile, plan profile etc to manage the costs. http://www.sap-img.com/financial/difference-between-cost-centers-and-internal-orders.htm Internal Orders are used for short term purpose like Trade Fairs, Job Fairs etc., where as Cost Centers are used for long term purpose to capture the day to day costs.