high-speed buffer

In a system, such as an automatic data processing, communications, computer, information, or control system, a buffer, such as a cache or a set of logically partitioned blocks, that provides significantly faster access to computer instructions and data than is provided by a central storage. See also access, automatic data processing system, block, buffer, cache, central storage, communications system, computer instruction, computer system, control system, data, information system, logical, set.