A software routine that is part of the operating system or network control program which performs the storing/retrieving or transmitting/receiving of data. The access method is also responsible for ...

Most data is “fixed content,” or digital information that will be preserved in its original form without change. Examples include most images (think of a medical X-ray or a canceled check); archived ...

A technique for finding data on a disk by deriving its storage address from an identifying key in the record, such as account number. Using a formula, the account number is converted into a sector ...