(under subclass 220) Subject matter including means or steps for processing instruction data that specifically support or perform a data transfer operation.
(1) Note. This subclass provides for processing instruction data that performs data transfer. Data transfer, per se, is classified elsewhere.
SEE OR SEARCH CLASS
370, Multiplex Communications, appropriate subclasses for multiplex communications, per se.
375, Pulse or Digital Communications, appropriate subclasses for pulse or digital communications, per se.
709, Electrical Computers and Digital Processing Systems: Multiple Computer or Process Coordinating,
200+, for multicomputer data transferring.
710, Electrical Computers and Digital Processing Systems: Input/Output, 5+, for I/O command processing, subclass 33 for I/O data transfer specifying.
711, Electrical Computers and Digital Processing Systems: Memory,
214, for operand address generation and subclass 215 for microinstruction address generation.
